64669125 has 32 divisors (see below), whose sum is σ = 108141696. Its totient is φ = 34320000.

The previous prime is 64669097. The next prime is 64669147. The reversal of 64669125 is 52196646.

It is not a de Polignac number, because 64669125 - 2⁵ = 64669093 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123865 + ... + 124385.

It is an arithmetic number, because the mean of its divisors is an integer number (3379428).

Almost surely, 2^64669125 is an apocalyptic number.

It is an amenable number.

64669125 is a deficient number, since it is larger than the sum of its proper divisors (43472571).

64669125 is a wasteful number, since it uses less digits than its factorization.

64669125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870 (or 860 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 64669125 is about 8041.7115715499. The cubic root of 64669125 is about 401.3891802769.

The spelling of 64669125 in words is "sixty-four million, six hundred sixty-nine thousand, one hundred twenty-five".