625634968 has 32 divisors (see below), whose sum is σ = 1344994560. Its totient is φ = 267259680.

The previous prime is 625634957. The next prime is 625635019. The reversal of 625634968 is 869436526.

It is a super-2 number, since 2×625634968² = 782838226368722048, which contains 22 as substring.

It is a congruent number.

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, 546 + ... + 35377.

It is an arithmetic number, because the mean of its divisors is an integer number (42031080).

Almost surely, 2^625634968 is an apocalyptic number.

It is an amenable number.

625634968 is an abundant number, since it is smaller than the sum of its proper divisors (719359592).

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

625634968 is a wasteful number, since it uses less digits than its factorization.

625634968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36247 (or 36243 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 49.

The square root of 625634968 is about 25012.6961361625. The cubic root of 625634968 is about 855.2774166758.

The spelling of 625634968 in words is "six hundred twenty-five million, six hundred thirty-four thousand, nine hundred sixty-eight".