31972796 has 6 divisors (see below), whose sum is σ = 55952400. Its totient is φ = 15986396.

The previous prime is 31972753. The next prime is 31972807. The reversal of 31972796 is 69727913.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3996596 + ... + 3996603.

It is an arithmetic number, because the mean of its divisors is an integer number (9325400).

Almost surely, 2^31972796 is an apocalyptic number.

It is an amenable number.

31972796 is a deficient number, since it is larger than the sum of its proper divisors (23979604).

31972796 is a wasteful number, since it uses less digits than its factorization.

31972796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7993203 (or 7993201 counting only the distinct ones).

The product of its digits is 142884, while the sum is 44.

The square root of 31972796 is about 5654.4492216307. The cubic root of 31972796 is about 317.3902189329.

It can be divided in two parts, 31972 and 796, that added together give a 15-th power (32768 = 2¹⁵).

The spelling of 31972796 in words is "thirty-one million, nine hundred seventy-two thousand, seven hundred ninety-six".