36735017172 has 72 divisors (see below), whose sum is σ = 99735150816. Its totient is φ = 10493001792.

The previous prime is 36735017153. The next prime is 36735017173. The reversal of 36735017172 is 27171053763.

It is a super-2 number, since 2×36735017172² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36735017173) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3742423 + ... + 3752225.

It is an arithmetic number, because the mean of its divisors is an integer number (1385210428).

Almost surely, 2^36735017172 is an apocalyptic number.

It is an amenable number.

36735017172 is an abundant number, since it is smaller than the sum of its proper divisors (63000133644).

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

36735017172 is a wasteful number, since it uses less digits than its factorization.

36735017172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16197 (or 16188 counting only the distinct ones).

The product of its (nonzero) digits is 185220, while the sum is 42.

The spelling of 36735017172 in words is "thirty-six billion, seven hundred thirty-five million, seventeen thousand, one hundred seventy-two".