64426764 has 12 divisors (see below), whose sum is σ = 150329144. Its totient is φ = 21475584.

The previous prime is 64426751. The next prime is 64426781. The reversal of 64426764 is 46762446.

64426764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 2684437 + ... + 2684460.

Almost surely, 2^64426764 is an apocalyptic number.

It is an amenable number.

64426764 is an abundant number, since it is smaller than the sum of its proper divisors (85902380).

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

64426764 is a wasteful number, since it uses less digits than its factorization.

64426764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5368904 (or 5368902 counting only the distinct ones).

The product of its digits is 193536, while the sum is 39.

The square root of 64426764 is about 8026.6284329100. The cubic root of 64426764 is about 400.8871227453.

The spelling of 64426764 in words is "sixty-four million, four hundred twenty-six thousand, seven hundred sixty-four".