64204064 has 12 divisors (see below), whose sum is σ = 126401814. Its totient is φ = 32102016.

The previous prime is 64204039. The next prime is 64204067. The reversal of 64204064 is 46040246.

64204064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 47720464 + 16483600 = 6908^2 + 4060^2 .

It is not an unprimeable number, because it can be changed into a prime (64204067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003157 + ... + 1003220.

Almost surely, 2^64204064 is an apocalyptic number.

It is an amenable number.

64204064 is a deficient number, since it is larger than the sum of its proper divisors (62197750).

64204064 is a wasteful number, since it uses less digits than its factorization.

64204064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006387 (or 2006379 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 64204064 is about 8012.7438496435. The cubic root of 64204064 is about 400.4246822862.

The spelling of 64204064 in words is "sixty-four million, two hundred four thousand, sixty-four".