36724933728 has 72 divisors (see below), whose sum is σ = 119356041168. Its totient is φ = 10492837632.

The previous prime is 36724933643. The next prime is 36724933733. The reversal of 36724933728 is 82733942763.

36724933728 is a `hidden beast` number, since 3 + 67 + 249 + 337 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 9106351 + ... + 9110382.

It is an arithmetic number, because the mean of its divisors is an integer number (1657722794).

Almost surely, 2^36724933728 is an apocalyptic number.

It is an amenable number.

36724933728 is an abundant number, since it is smaller than the sum of its proper divisors (82631107440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36724933728 is a wasteful number, since it uses less digits than its factorization.

36724933728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18216756 (or 18216745 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 54.

The spelling of 36724933728 in words is "thirty-six billion, seven hundred twenty-four million, nine hundred thirty-three thousand, seven hundred twenty-eight".