Fait général: 47470 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 47470 is a boring number.
Culture générale: 47470 is a boring number.
Date historique: December 19th is the day in 1981 that Sixteen lives are lost when the Penlee lifeboat goes to the aid of the stricken coaster Union Star in heavy seas.