64713579 has 8 divisors (see below), whose sum is σ = 98611200. Its totient is φ = 36979176.

The previous prime is 64713569. The next prime is 64713613. The reversal of 64713579 is 97531746.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64713579 - 2²⁴ = 47936363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64713579.

It is not an unprimeable number, because it can be changed into a prime (64713569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1540779 + ... + 1540820.

It is an arithmetic number, because the mean of its divisors is an integer number (12326400).

Almost surely, 2^64713579 is an apocalyptic number.

64713579 is a deficient number, since it is larger than the sum of its proper divisors (33897621).

64713579 is a wasteful number, since it uses less digits than its factorization.

64713579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3081609.

The product of its digits is 158760, while the sum is 42.

The square root of 64713579 is about 8044.4750605618. The cubic root of 64713579 is about 401.4811317691.

The spelling of 64713579 in words is "sixty-four million, seven hundred thirteen thousand, five hundred seventy-nine".