75625664 has 28 divisors (see below), whose sum is σ = 152134824. Its totient is φ = 37292544.

The previous prime is 75625657. The next prime is 75625687. The reversal of 75625664 is 46652657.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3422 + ... + 12765.

Almost surely, 2^75625664 is an apocalyptic number.

It is an amenable number.

75625664 is an abundant number, since it is smaller than the sum of its proper divisors (76509160).

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

75625664 is a wasteful number, since it uses less digits than its factorization.

75625664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16272 (or 16262 counting only the distinct ones).

The product of its digits is 302400, while the sum is 41.

The square root of 75625664 is about 8696.3017426950. The cubic root of 75625664 is about 422.8857655675.

The spelling of 75625664 in words is "seventy-five million, six hundred twenty-five thousand, six hundred sixty-four".