31274764 has 12 divisors (see below), whose sum is σ = 57950424. Its totient is φ = 14717504.

The previous prime is 31274743. The next prime is 31274783. The reversal of 31274764 is 46747213.

It is a super-2 number, since 2×31274764² = 1956221726511392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229894 + ... + 230029.

It is an arithmetic number, because the mean of its divisors is an integer number (4829202).

Almost surely, 2^31274764 is an apocalyptic number.

31274764 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

31274764 is a deficient number, since it is larger than the sum of its proper divisors (26675660).

31274764 is a wasteful number, since it uses less digits than its factorization.

31274764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459944 (or 459942 counting only the distinct ones).

The product of its digits is 28224, while the sum is 34.

The square root of 31274764 is about 5592.3844646090. The cubic root of 31274764 is about 315.0634423320.

It can be divided in two parts, 312 and 74764, that added together give a square (75076 = 274²).

The spelling of 31274764 in words is "thirty-one million, two hundred seventy-four thousand, seven hundred sixty-four".