Fatto generale: 8742 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 8742 is an unremarkable number.
Trivia: 8742 is a boring number.
Data storica: December 7th is the day in 2005 that Ante Gotovina, a Croatian army general accused of war crimes, is captured in the Playa de las Américas, Tenerife by the Spanish police.