Fatto generale: 1672 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 1672 is a boring number.
Trivia: 1672 is an uninteresting number.
Data storica: July 29th is the day in 1993 that the Israeli Supreme Court acquits alleged Nazi death camp guard John Demjanjuk of all charges and he is set free.