625059972 has 36 divisors (see below), whose sum is σ = 1584282700. Its totient is φ = 207790272.

The previous prime is 625059971. The next prime is 625059973. The reversal of 625059972 is 279950526.

625059972 is a `hidden beast` number, since 6 + 2 + 50 + 599 + 7 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (625059971) and next prime (625059973).

It can be written as a sum of positive squares in 2 ways, for example, as 504631296 + 120428676 = 22464^2 + 10974^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (625059971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9847 + ... + 36702.

Almost surely, 2^625059972 is an apocalyptic number.

It is an amenable number.

625059972 is an abundant number, since it is smaller than the sum of its proper divisors (959222728).

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

625059972 is a wasteful number, since it uses less digits than its factorization.

625059972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46932 (or 46927 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The square root of 625059972 is about 25001.1994112283. The cubic root of 625059972 is about 855.0153193110.

The spelling of 625059972 in words is "six hundred twenty-five million, fifty-nine thousand, nine hundred seventy-two".