31672624 has 10 divisors (see below), whose sum is σ = 61365740. Its totient is φ = 15836304.

The previous prime is 31672621. The next prime is 31672631. The reversal of 31672624 is 42627613.

It is a super-2 number, since 2×31672624² = 2006310222090752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31672621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 989754 + ... + 989785.

It is an arithmetic number, because the mean of its divisors is an integer number (6136574).

Almost surely, 2^31672624 is an apocalyptic number.

It is an amenable number.

31672624 is a deficient number, since it is larger than the sum of its proper divisors (29693116).

31672624 is a wasteful number, since it uses less digits than its factorization.

31672624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979547 (or 1979541 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The square root of 31672624 is about 5627.8436367760. The cubic root of 31672624 is about 316.3938367819.

The spelling of 31672624 in words is "thirty-one million, six hundred seventy-two thousand, six hundred twenty-four".