Fatto generale: 2907 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 2907 is the trinomial coefficient T(9,1).
Trivia: 2907 is an uninteresting number.
Data storica: December 16th is the day in 1930 that Bank robber Herman Lamm and members of his crew are killed by a posse of 200, following a botched bank robbery in Clinton, Indiana.