625007992 has 64 divisors (see below), whose sum is σ = 1423319040. Its totient is φ = 251174400.

The previous prime is 625007987. The next prime is 625008031. The reversal of 625007992 is 299700526.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295017 + ... + 297127.

It is an arithmetic number, because the mean of its divisors is an integer number (22239360).

Almost surely, 2^625007992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625007992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (711659520).

625007992 is an abundant number, since it is smaller than the sum of its proper divisors (798311048).

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

625007992 is a wasteful number, since it uses less digits than its factorization.

625007992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452 (or 2448 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 625007992 is about 25000.1598394890. The cubic root of 625007992 is about 854.9916176236.

The spelling of 625007992 in words is "six hundred twenty-five million, seven thousand, nine hundred ninety-two".