79643064 has 32 divisors (see below), whose sum is σ = 202375440. Its totient is φ = 26112000.

The previous prime is 79643027. The next prime is 79643071. The reversal of 79643064 is 46034697.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25737 + ... + 28664.

Almost surely, 2^79643064 is an apocalyptic number.

It is an amenable number.

79643064 is an abundant number, since it is smaller than the sum of its proper divisors (122732376).

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

79643064 is a wasteful number, since it uses less digits than its factorization.

79643064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54471 (or 54467 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 79643064 is about 8924.2962747771. The cubic root of 79643064 is about 430.2451531570.

The spelling of 79643064 in words is "seventy-nine million, six hundred forty-three thousand, sixty-four".