37713972 has 12 divisors (see below), whose sum is σ = 87999296. Its totient is φ = 12571320.

The previous prime is 37713971. The next prime is 37714003. The reversal of 37713972 is 27931773.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 37713972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37713971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1571404 + ... + 1571427.

Almost surely, 2^37713972 is an apocalyptic number.

It is an amenable number.

37713972 is an abundant number, since it is smaller than the sum of its proper divisors (50285324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

37713972 is a wasteful number, since it uses less digits than its factorization.

37713972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3142838 (or 3142836 counting only the distinct ones).

The product of its digits is 55566, while the sum is 39.

The square root of 37713972 is about 6141.1702467852. The cubic root of 37713972 is about 335.3518898369.

The spelling of 37713972 in words is "thirty-seven million, seven hundred thirteen thousand, nine hundred seventy-two".