31672944 has 50 divisors (see below), whose sum is σ = 91674440. Its totient is φ = 10557216.

The previous prime is 31672939. The next prime is 31672961. The reversal of 31672944 is 44927613.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 31672899 and 31672908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10924 + ... + 13515.

Almost surely, 2^31672944 is an apocalyptic number.

It is an amenable number.

31672944 is an abundant number, since it is smaller than the sum of its proper divisors (60001496).

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

31672944 is a wasteful number, since it uses less digits than its factorization.

31672944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24459 (or 24444 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 31672944 is about 5627.8720667762. The cubic root of 31672944 is about 316.3949023255.

The spelling of 31672944 in words is "thirty-one million, six hundred seventy-two thousand, nine hundred forty-four".