64625958 has 32 divisors (see below), whose sum is σ = 145353600. Its totient is φ = 21280968.

The previous prime is 64625941. The next prime is 64625969. The reversal of 64625958 is 85952646.

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, 2728 + ... + 11691.

It is an arithmetic number, because the mean of its divisors is an integer number (4542300).

Almost surely, 2^64625958 is an apocalyptic number.

64625958 is an abundant number, since it is smaller than the sum of its proper divisors (80727642).

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

64625958 is a wasteful number, since it uses less digits than its factorization.

64625958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14513 (or 14507 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 64625958 is about 8039.0271799516. The cubic root of 64625958 is about 401.2998505624.

The spelling of 64625958 in words is "sixty-four million, six hundred twenty-five thousand, nine hundred fifty-eight".