It's about the number of Olympic Gold Medals Won by the Soviet Union
(a.k.a. Union of Soviet Socialist Republics, a.k.a. USSR, a.k.a. Сою́з Сове́тских Социалисти́ческих Респу́блик, a.k.a. CCCP) (a.k.a. Olympic Games, a.k.a. Jeux olympiques) (Summer and Winter Games grand totals; excluding Russian Federation Medals) (1952 thru 1988 figures)
During its 19 appearances in the Summer and Winter Olympic Games, the Soviet Union was awarded 473 gold medals. The Union holds the as-yet-unbroken record for gold medals in gymnastics, with 72.
It's about nine-tenths the number of Stores in the Mall of America
In other words, 473 is 0.910 times the count of Stores in the Mall of America, and the count of Stores in the Mall of America is 1.10 times that amount.(a.k.a. MOA, a.k.a. MoA, a.k.a. Megamall) (Bloomington, Minnesota) (2015 figures) (approximate)
It's about three-fourths the number of Members of Parliament (The U.K.)
In other words, the count of Members of Parliament (The U.K.) is 1.40 times 473.(a.k.a. MPs) (2016 figures) (formally "Members of the House of Commons of the Parliament of the United Kingdom of Great Britain and Northern Ireland")
It's about one-and-two-fifths times the number of Sesame Seeds on a Big Mac bun
It's about one-and-a-half times the number of Manned Flights to Space
In other words, 473 is 1.520 times the count of a Manned Flights to Space, and the count of a Manned Flights to Space is 0.6580 times that amount.(2016 figures) (flights with at least 80km altitude; US, Russia, the Soviet Union, and China)
It's about one-and-a-half times the number of Beatles Songs
In other words, 473 is 1.530 times the count of Beatles Songs, and the count of Beatles Songs is 0.6540 times that amount.(a.k.a. The Beatles) (1958 thru 1996)
On a total of 58 albums, the Beatles recorded 309 songs during their performing career (with three of the songs released only on post-breakup Anthology albums after 1970). Of their catalog, a total of thirteen songs were number-one chart hits in both the US and the UK.
It's about three-fifths the number of Inductees in the Rock and Roll Hall of Fame
In other words, 473 is 0.6320 times the count of Inductees in the Rock and Roll Hall of Fame, and the count of Inductees in the Rock and Roll Hall of Fame is 1.580 times that amount.(November, 2015 figures) (including individuals and groups)