64604374 has 4 divisors (see below), whose sum is σ = 96906564. Its totient is φ = 32302186.

The previous prime is 64604363. The next prime is 64604387. The reversal of 64604374 is 47340646.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16151092 + ... + 16151095.

It is an arithmetic number, because the mean of its divisors is an integer number (24226641).

Almost surely, 2^64604374 is an apocalyptic number.

64604374 is a deficient number, since it is larger than the sum of its proper divisors (32302190).

64604374 is a wasteful number, since it uses less digits than its factorization.

64604374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32302189.

The product of its (nonzero) digits is 48384, while the sum is 34.

The square root of 64604374 is about 8037.6846168533. The cubic root of 64604374 is about 401.2551697525.

The spelling of 64604374 in words is "sixty-four million, six hundred four thousand, three hundred seventy-four".