31450764 has 12 divisors (see below), whose sum is σ = 73385144. Its totient is φ = 10483584.

The previous prime is 31450763. The next prime is 31450781. The reversal of 31450764 is 46705413.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (31450763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1310437 + ... + 1310460.

Almost surely, 2^31450764 is an apocalyptic number.

It is an amenable number.

31450764 is an abundant number, since it is smaller than the sum of its proper divisors (41934380).

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

31450764 is a wasteful number, since it uses less digits than its factorization.

31450764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2620904 (or 2620902 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 31450764 is about 5608.0980733222. The cubic root of 31450764 is about 315.6533478966.

The spelling of 31450764 in words is "thirty-one million, four hundred fifty thousand, seven hundred sixty-four".