Fatto generale: 17654 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 17654 is an unremarkable number.
Trivia: 17654 is an unremarkable number.
Data storica: May 1st is the day in 2006 that the Puerto Rican government closes the Department of Education and 42 other government agencies due to significant shortages in cash flow.