64345792 has 28 divisors (see below), whose sum is σ = 145928080. Its totient is φ = 27576576.

The previous prime is 64345783. The next prime is 64345807. The reversal of 64345792 is 29754346.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (28).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71367 + ... + 72262.

Almost surely, 2^64345792 is an apocalyptic number.

It is an amenable number.

64345792 is an abundant number, since it is smaller than the sum of its proper divisors (81582288).

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

64345792 is a wasteful number, since it uses less digits than its factorization.

64345792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143648 (or 143638 counting only the distinct ones).

The product of its digits is 181440, while the sum is 40.

The square root of 64345792 is about 8021.5828861890. The cubic root of 64345792 is about 400.7191064401.

The spelling of 64345792 in words is "sixty-four million, three hundred forty-five thousand, seven hundred ninety-two".