36928731 has 32 divisors (see below), whose sum is σ = 59378688. Its totient is φ = 19958400.

The previous prime is 36928721. The next prime is 36928747. The reversal of 36928731 is 13782963.

It is not a de Polignac number, because 36928731 - 2⁶ = 36928667 is a prime.

It is a super-2 number, since 2×36928731² = 2727462346540722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 36928731.

It is not an unprimeable number, because it can be changed into a prime (36928721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48405 + ... + 49161.

It is an arithmetic number, because the mean of its divisors is an integer number (1855584).

Almost surely, 2^36928731 is an apocalyptic number.

36928731 is a deficient number, since it is larger than the sum of its proper divisors (22449957).

36928731 is a wasteful number, since it uses less digits than its factorization.

36928731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891.

The product of its digits is 54432, while the sum is 39.

The square root of 36928731 is about 6076.9014308280. The cubic root of 36928731 is about 333.0080979913.

The spelling of 36928731 in words is "thirty-six million, nine hundred twenty-eight thousand, seven hundred thirty-one".