31672412 has 6 divisors (see below), whose sum is σ = 55426728. Its totient is φ = 15836204.

The previous prime is 31672409. The next prime is 31672447. The reversal of 31672412 is 21427613.

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, 3959048 + ... + 3959055.

It is an arithmetic number, because the mean of its divisors is an integer number (9237788).

Almost surely, 2^31672412 is an apocalyptic number.

It is an amenable number.

31672412 is a deficient number, since it is larger than the sum of its proper divisors (23754316).

31672412 is a wasteful number, since it uses less digits than its factorization.

31672412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7918107 (or 7918105 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 31672412 is about 5627.8248018217. The cubic root of 31672412 is about 316.3931308553.

The spelling of 31672412 in words is "thirty-one million, six hundred seventy-two thousand, four hundred twelve".