36687172 has 12 divisors (see below), whose sum is σ = 65082556. Its totient is φ = 18092160.

The previous prime is 36687163. The next prime is 36687179. The reversal of 36687172 is 27178663.

36687172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12716356 + 23970816 = 3566^2 + 4896^2 .

It is not an unprimeable number, because it can be changed into a prime (36687179) 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 3 ways as a sum of consecutive naturals, for example, 62529 + ... + 63112.

Almost surely, 2^36687172 is an apocalyptic number.

It is an amenable number.

36687172 is a deficient number, since it is larger than the sum of its proper divisors (28395384).

36687172 is a wasteful number, since it uses less digits than its factorization.

36687172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125718 (or 125716 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 36687172 is about 6056.9936437147. The cubic root of 36687172 is about 332.2804158182.

Subtracting from 36687172 its product of digits (84672), we obtain a square (36602500 = 6050²).

The spelling of 36687172 in words is "thirty-six million, six hundred eighty-seven thousand, one hundred seventy-two".