73564799 has 16 divisors (see below), whose sum is σ = 93277440. Its totient is φ = 56348160.

The previous prime is 73564781. The next prime is 73564817. The reversal of 73564799 is 99746537.

It is an interprime number because it is at equal distance from previous prime (73564781) and next prime (73564817).

It is a de Polignac number, because none of the positive numbers 2^k-73564799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73564739) 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 15 ways as a sum of consecutive naturals, for example, 3554 + ... + 12639.

It is an arithmetic number, because the mean of its divisors is an integer number (5829840).

Almost surely, 2^73564799 is an apocalyptic number.

73564799 is a deficient number, since it is larger than the sum of its proper divisors (19712641).

73564799 is a wasteful number, since it uses less digits than its factorization.

73564799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16270.

The product of its digits is 1428840, while the sum is 50.

The square root of 73564799 is about 8576.9924215893. The cubic root of 73564799 is about 419.0089995276.

The spelling of 73564799 in words is "seventy-three million, five hundred sixty-four thousand, seven hundred ninety-nine".