It's a centred hexagonal number.
The thirty-seventh Psalm is an acrostic.
Shakespeare wrote thirty seven plays.
37×3 is 111; 37×6 is 222; and so on. 37×18 is 666
3×7×37 = three 7's (777)
37 AD - Tiberius dies and Caligula becomes Roman emperor.
There's some sort of Kevin Smith connection too, I believe.
Birthday time. Here's hoping this year's better than the last.