64336764 has 12 divisors (see below), whose sum is σ = 150119144. Its totient is φ = 21445584.

The previous prime is 64336763. The next prime is 64336777. The reversal of 64336764 is 46763346.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64336763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2680687 + ... + 2680710.

Almost surely, 2^64336764 is an apocalyptic number.

It is an amenable number.

64336764 is an abundant number, since it is smaller than the sum of its proper divisors (85782380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64336764 is a wasteful number, since it uses less digits than its factorization.

64336764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5361404 (or 5361402 counting only the distinct ones).

The product of its digits is 217728, while the sum is 39.

The square root of 64336764 is about 8021.0201346213. The cubic root of 64336764 is about 400.7003646743.

The spelling of 64336764 in words is "sixty-four million, three hundred thirty-six thousand, seven hundred sixty-four".