36475731 has 16 divisors (see below), whose sum is σ = 54162720. Its totient is φ = 24261120.

The previous prime is 36475709. The next prime is 36475757. The reversal of 36475731 is 13757463.

36475731 is a `hidden beast` number, since 3 + 647 + 5 + 7 + 3 + 1 = 666.

It is not a de Polignac number, because 36475731 - 2⁶ = 36475667 is a prime.

It is a super-2 number, since 2×36475731² = 2660957903968722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

36475731 is a modest number, since divided by 5731 gives 3647 as remainder.

It is not an unprimeable number, because it can be changed into a prime (36475031) 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, 12771 + ... + 15363.

It is an arithmetic number, because the mean of its divisors is an integer number (3385170).

Almost surely, 2^36475731 is an apocalyptic number.

36475731 is a deficient number, since it is larger than the sum of its proper divisors (17686989).

36475731 is a wasteful number, since it uses less digits than its factorization.

36475731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3123 (or 3117 counting only the distinct ones).

The product of its digits is 52920, while the sum is 36.

The square root of 36475731 is about 6039.5141360874. The cubic root of 36475731 is about 331.6408361265.

The spelling of 36475731 in words is "thirty-six million, four hundred seventy-five thousand, seven hundred thirty-one".