General fact: 70016 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 70016 is an unremarkable number.
Trivia: 70016 is a boring number.
Historical date: September 11th is the day in 1708 that Charles XII of Sweden stops his march to conquer Moscow outside Smolensk, marking the turning point in the Great Northern War.