Fait mathématique: 47636 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 47636 is an unremarkable number.
Date historique: June 3rd is the day in 1973 that a Soviet supersonic Tupolev Tu-144 crashes near Goussainville, France, killing 14, the first crash of a supersonic passenger aircraft.