Fatto matematico: 17654 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 17654 is an unremarkable number.
Data storica: May 1st is the day in 1900 that the Scofield mine disaster kills over 200 men in Scofield, Utah in what is to date the fifth-worst mining accident in United States history.