1672 = 2 x 2 x 2 x 11 x 19.
1672 is 767 in base 15.
1672 is a number that can be expressed as the difference of the squares of primes in just one distinct way (A090781).
1672 is a multiple of 8 that has a digit sum that is a multiple of 8 (A216997).
On an 8 x 8 chessboard, there are 1672 3-step knight's tours summed over all choices for the starting position (A186441).
1672 is the number of obtuse isosceles triangles on a 10 x 10 grid (geoboard) (A190318).
Source: On-Line Encyclopedia of Integer Sequences