Fatto generale: 17975 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 17975 is an uninteresting number.
Trivia: 17975 is a boring number.
Data storica: March 18th is the day in 1925 that the Tri-State Tornado hits the Midwestern states of Missouri, Illinois, and Indiana, killing 695 people.