64793613 has 16 divisors (see below), whose sum is σ = 93203136. Its totient is φ = 39886080.

The previous prime is 64793611. The next prime is 64793711. The reversal of 64793613 is 31639746.

It is not a de Polignac number, because 64793613 - 2¹ = 64793611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64793611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9283 + ... + 14688.

It is an arithmetic number, because the mean of its divisors is an integer number (5825196).

Almost surely, 2^64793613 is an apocalyptic number.

It is an amenable number.

64793613 is a deficient number, since it is larger than the sum of its proper divisors (28409523).

64793613 is a wasteful number, since it uses less digits than its factorization.

64793613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24044.

The product of its digits is 81648, while the sum is 39.

The square root of 64793613 is about 8049.4479934962. The cubic root of 64793613 is about 401.6465731088.

The spelling of 64793613 in words is "sixty-four million, seven hundred ninety-three thousand, six hundred thirteen".