31974612 has 12 divisors (see below), whose sum is σ = 74607456. Its totient is φ = 10658200.

The previous prime is 31974601. The next prime is 31974619. The reversal of 31974612 is 21647913.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31974619) 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, 1332264 + ... + 1332287.

It is an arithmetic number, because the mean of its divisors is an integer number (6217288).

Almost surely, 2^31974612 is an apocalyptic number.

It is an amenable number.

31974612 is an abundant number, since it is smaller than the sum of its proper divisors (42632844).

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

31974612 is a wasteful number, since it uses less digits than its factorization.

31974612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664558 (or 2664556 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 31974612 is about 5654.6098008616. The cubic root of 31974612 is about 317.3962278925.

The spelling of 31974612 in words is "thirty-one million, nine hundred seventy-four thousand, six hundred twelve".