64307039 has 16 divisors (see below), whose sum is σ = 72511200. Its totient is φ = 56669184.

The previous prime is 64307029. The next prime is 64307071. The reversal of 64307039 is 93070346.

It is a cyclic number.

It is not a de Polignac number, because 64307039 - 2¹² = 64302943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64306996 and 64307014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64307029) 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 15 ways as a sum of consecutive naturals, for example, 27629 + ... + 29865.

It is an arithmetic number, because the mean of its divisors is an integer number (4531950).

Almost surely, 2^64307039 is an apocalyptic number.

64307039 is a deficient number, since it is larger than the sum of its proper divisors (8204161).

64307039 is a wasteful number, since it uses less digits than its factorization.

64307039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 64307039 is about 8019.1669766878. The cubic root of 64307039 is about 400.6386443741.

The spelling of 64307039 in words is "sixty-four million, three hundred seven thousand, thirty-nine".