Fatto generale: 7688 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 7688 is an unremarkable number.
Trivia: 7688 is an uninteresting number.
Data storica: January 17th is the day in 1950 that the Great Brinks Robbery – 11 thieves steal more than $2 million from an armored car Company's offices in Boston, Massachusetts.