30761874

In Croatia, there is a 7/39+1/2 lottery, where you must pick 7 numbers out of 39, and 1 letter out of 2. The number of possible combinations is equal to 39C7 × 2 = 30761874.

Its prime factorization is 2 × 32 × 11 × 13 × 17 × 19 × 37.