64574404 has 12 divisors (see below), whose sum is σ = 113368444. Its totient is φ = 32183424.

The previous prime is 64574401. The next prime is 64574441. The reversal of 64574404 is 40447546.

It can be written as a sum of positive squares in 2 ways, for example, as 12040900 + 52533504 = 3470^2 + 7248^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 64574404.

It is not an unprimeable number, because it can be changed into a prime (64574401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24537 + ... + 27040.

Almost surely, 2^64574404 is an apocalyptic number.

It is an amenable number.

64574404 is a deficient number, since it is larger than the sum of its proper divisors (48794040).

64574404 is a wasteful number, since it uses less digits than its factorization.

64574404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51894 (or 51892 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 34.

The square root of 64574404 is about 8035.8200577166. The cubic root of 64574404 is about 401.1931126670.

The spelling of 64574404 in words is "sixty-four million, five hundred seventy-four thousand, four hundred four".