31772404 has 12 divisors (see below), whose sum is σ = 55956964. Its totient is φ = 15784704.

The previous prime is 31772383. The next prime is 31772413. The reversal of 31772404 is 40427713.

It can be written as a sum of positive squares in 2 ways, for example, as 12236004 + 19536400 = 3498^2 + 4420^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24669 + ... + 25924.

Almost surely, 2^31772404 is an apocalyptic number.

It is an amenable number.

31772404 is a deficient number, since it is larger than the sum of its proper divisors (24184560).

31772404 is a wasteful number, since it uses less digits than its factorization.

31772404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50754 (or 50752 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 31772404 is about 5636.7015177318. The cubic root of 31772404 is about 316.7257394258.

The spelling of 31772404 in words is "thirty-one million, seven hundred seventy-two thousand, four hundred four".