General fact: 61707 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 61707 is an unremarkable number.
Trivia: 61707 is a boring number.
Historical date: December 11th is the day in 969 that Byzatine Emperor Nikephoros II is assassinated by his wife Theofano and her lover, the later Emperor John I Tzimiskes.