General fact: 70891 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 70891 is an unremarkable number.
Trivia: 70891 is an unremarkable number.
Historical date: February 2nd is the day in 1899 that the Australian Premiers' Conference held in Melbourne decides to locate Australia's capital city, Canberra, between Sydney and Melbourne.