64556713 has 8 divisors (see below), whose sum is σ = 69606656. Its totient is φ = 59518800.

The previous prime is 64556683. The next prime is 64556719. The reversal of 64556713 is 31765546.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64556713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64556719) 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, 10378 + ... + 15388.

It is an arithmetic number, because the mean of its divisors is an integer number (8700832).

Almost surely, 2^64556713 is an apocalyptic number.

It is an amenable number.

64556713 is a deficient number, since it is larger than the sum of its proper divisors (5049943).

64556713 is a wasteful number, since it uses less digits than its factorization.

64556713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6015.

The product of its digits is 75600, while the sum is 37.

The square root of 64556713 is about 8034.7192234701. The cubic root of 64556713 is about 401.1564719592.

The spelling of 64556713 in words is "sixty-four million, five hundred fifty-six thousand, seven hundred thirteen".