Bluebulb Projects' The Measure of Things presents:
670 is about one-and-two-fifths times the number of Olympic Gold Medals Won by the Soviet Union.
In other words, it's 1.42 times the count of Olympic Gold Medals Won by the Soviet Union, and the count of Olympic Gold Medals Won by the Soviet Union is 0.704 times that amount.
(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.