64568392 has 16 divisors (see below), whose sum is σ = 138360960. Its totient is φ = 27672144.

The previous prime is 64568389. The next prime is 64568393. The reversal of 64568392 is 29386546.

64568392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (64568393) 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 in 3 ways as a sum of consecutive naturals, for example, 576448 + ... + 576559.

It is an arithmetic number, because the mean of its divisors is an integer number (8647560).

Almost surely, 2^64568392 is an apocalyptic number.

It is an amenable number.

64568392 is an abundant number, since it is smaller than the sum of its proper divisors (73792568).

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

64568392 is a wasteful number, since it uses less digits than its factorization.

64568392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153020 (or 1153016 counting only the distinct ones).

The product of its digits is 311040, while the sum is 43.

The square root of 64568392 is about 8035.4459739332. The cubic root of 64568392 is about 401.1806616663.

The spelling of 64568392 in words is "sixty-four million, five hundred sixty-eight thousand, three hundred ninety-two".