64604375 has 20 divisors (see below), whose sum is σ = 88078056. Its totient is φ = 46980000.

The previous prime is 64604363. The next prime is 64604387. The reversal of 64604375 is 57340646.

It is an interprime number because it is at equal distance from previous prime (64604363) and next prime (64604387).

It is not a de Polignac number, because 64604375 - 2⁴ = 64604359 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2177 + ... + 11573.

Almost surely, 2^64604375 is an apocalyptic number.

64604375 is a deficient number, since it is larger than the sum of its proper divisors (23473681).

64604375 is an equidigital number, since it uses as much as digits as its factorization.

64604375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9428 (or 9413 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 64604375 is about 8037.6846790603. The cubic root of 64604375 is about 401.2551718228.

The spelling of 64604375 in words is "sixty-four million, six hundred four thousand, three hundred seventy-five".