625762464 has 48 divisors (see below), whose sum is σ = 1699276320. Its totient is φ = 201393920.

The previous prime is 625762447. The next prime is 625762477. The reversal of 625762464 is 464267526.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×625762464² = 783157322702702592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109602 + ... + 115169.

It is an arithmetic number, because the mean of its divisors is an integer number (35401590).

Almost surely, 2^625762464 is an apocalyptic number.

It is an amenable number.

625762464 is an abundant number, since it is smaller than the sum of its proper divisors (1073513856).

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

625762464 is a wasteful number, since it uses less digits than its factorization.

625762464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224813 (or 224805 counting only the distinct ones).

The product of its digits is 483840, while the sum is 42.

The square root of 625762464 is about 25015.2446320239. The cubic root of 625762464 is about 855.3355107448.

The spelling of 625762464 in words is "six hundred twenty-five million, seven hundred sixty-two thousand, four hundred sixty-four".