64307913 has 8 divisors (see below), whose sum is σ = 90256800. Its totient is φ = 40615488.

The previous prime is 64307911. The next prime is 64307939. The reversal of 64307913 is 31970346.

64307913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 64307913 - 2¹ = 64307911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64307911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 564048 + ... + 564161.

It is an arithmetic number, because the mean of its divisors is an integer number (11282100).

Almost surely, 2^64307913 is an apocalyptic number.

It is an amenable number.

64307913 is a deficient number, since it is larger than the sum of its proper divisors (25948887).

64307913 is a wasteful number, since it uses less digits than its factorization.

64307913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128231.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 64307913 is about 8019.2214709409. The cubic root of 64307913 is about 400.6404593988.

The spelling of 64307913 in words is "sixty-four million, three hundred seven thousand, nine hundred thirteen".