General fact: 70287 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 70287 is an uninteresting number.
Trivia: 70287 is a boring number.
Historical date: June 8th is the day in 1405 that Richard le Scrope, Archbishop of York and Thomas Mowbray, Earl of Norfolk, are executed in York on Henry IV's orders.