64712315 has 8 divisors (see below), whose sum is σ = 77774208. Its totient is φ = 51690240.

The previous prime is 64712303. The next prime is 64712341. The reversal of 64712315 is 51321746.

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

It is not a de Polignac number, because 64712315 - 2⁴ = 64712299 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6251 + ... + 12980.

It is an arithmetic number, because the mean of its divisors is an integer number (9721776).

Almost surely, 2^64712315 is an apocalyptic number.

64712315 is a deficient number, since it is larger than the sum of its proper divisors (13061893).

64712315 is a wasteful number, since it uses less digits than its factorization.

64712315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19909.

The product of its digits is 5040, while the sum is 29.

The square root of 64712315 is about 8044.3964969412. The cubic root of 64712315 is about 401.4785178126.

The spelling of 64712315 in words is "sixty-four million, seven hundred twelve thousand, three hundred fifteen".