31672612 has 6 divisors (see below), whose sum is σ = 55427078. Its totient is φ = 15836304.

The previous prime is 31672609. The next prime is 31672621. The reversal of 31672612 is 21627613.

It can be written as a sum of positive squares in only one way, i.e., 31651876 + 20736 = 5626^2 + 144^2 .

It is an unprimeable number.

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, 3959073 + ... + 3959080.

Almost surely, 2^31672612 is an apocalyptic number.

It is an amenable number.

31672612 is a deficient number, since it is larger than the sum of its proper divisors (23754466).

31672612 is a wasteful number, since it uses less digits than its factorization.

31672612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7918157 (or 7918155 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 31672612 is about 5627.8425706482. The cubic root of 31672612 is about 316.3937968239.

The spelling of 31672612 in words is "thirty-one million, six hundred seventy-two thousand, six hundred twelve".