64710724317 has 8 divisors (see below), whose sum is σ = 86346384960. Its totient is φ = 43107773280.

The previous prime is 64710724297. The next prime is 64710724333. The reversal of 64710724317 is 71342701746.

It is a happy number.

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

It is not a de Polignac number, because 64710724317 - 2¹¹ = 64710722269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64710724387) by changing a digit.

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, 8172784 + ... + 8180697.

It is an arithmetic number, because the mean of its divisors is an integer number (10793298120).

Almost surely, 2^64710724317 is an apocalyptic number.

It is an amenable number.

64710724317 is a deficient number, since it is larger than the sum of its proper divisors (21635660643).

64710724317 is a wasteful number, since it uses less digits than its factorization.

64710724317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16354803.

The product of its (nonzero) digits is 197568, while the sum is 42.

The spelling of 64710724317 in words is "sixty-four billion, seven hundred ten million, seven hundred twenty-four thousand, three hundred seventeen".