64368404 has 6 divisors (see below), whose sum is σ = 112644714. Its totient is φ = 32184200.

The previous prime is 64368397. The next prime is 64368433. The reversal of 64368404 is 40486346.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 64032004 + 336400 = 8002^2 + 580^2 .

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, 8046047 + ... + 8046054.

It is an arithmetic number, because the mean of its divisors is an integer number (18774119).

Almost surely, 2^64368404 is an apocalyptic number.

It is an amenable number.

64368404 is a deficient number, since it is larger than the sum of its proper divisors (48276310).

64368404 is a wasteful number, since it uses less digits than its factorization.

64368404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16092105 (or 16092103 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 64368404 is about 8022.9922098928. The cubic root of 64368404 is about 400.7660403523.

The spelling of 64368404 in words is "sixty-four million, three hundred sixty-eight thousand, four hundred four".