31474764 has 48 divisors (see below), whose sum is σ = 85155840. Its totient is φ = 10034640.

The previous prime is 31474763. The next prime is 31474777. The reversal of 31474764 is 46747413.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (31474763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3852 + ... + 8819.

It is an arithmetic number, because the mean of its divisors is an integer number (1774080).

Almost surely, 2^31474764 is an apocalyptic number.

It is an amenable number.

31474764 is an abundant number, since it is smaller than the sum of its proper divisors (53681076).

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

31474764 is a wasteful number, since it uses less digits than its factorization.

31474764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12707 (or 12699 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 31474764 is about 5610.2374281308. The cubic root of 31474764 is about 315.7336189108.

It can be divided in two parts, 314 and 74764, that added together give a triangular number (75078 = T₃₈₇).

The spelling of 31474764 in words is "thirty-one million, four hundred seventy-four thousand, seven hundred sixty-four".