64502713 has 8 divisors (see below), whose sum is σ = 70485696. Its totient is φ = 58539600.

The previous prime is 64502671. The next prime is 64502747. The reversal of 64502713 is 31720546.

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

It is a cyclic number.

It is not a de Polignac number, because 64502713 - 2²¹ = 62405561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64502783) 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, 2295 + ... + 11587.

It is an arithmetic number, because the mean of its divisors is an integer number (8810712).

Almost surely, 2^64502713 is an apocalyptic number.

It is an amenable number.

64502713 is a deficient number, since it is larger than the sum of its proper divisors (5982983).

64502713 is a wasteful number, since it uses less digits than its factorization.

64502713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9935.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 64502713 is about 8031.3581043308. The cubic root of 64502713 is about 401.0445884627.

The spelling of 64502713 in words is "sixty-four million, five hundred two thousand, seven hundred thirteen".