Fait général: 17717 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 17717 is an uninteresting number.
Culture générale: 17717 is an uninteresting number.
Date historique: July 3rd is the day in 1969 that the biggest explosion in the history of rocketry occurs when the Soviet N-1 rocket explodes and subsequently destroys its launchpad.