36972172 has 12 divisors (see below), whose sum is σ = 65031120. Its totient is φ = 18391856.

The previous prime is 36972163. The next prime is 36972179. The reversal of 36972172 is 27127963.

It is not an unprimeable number, because it can be changed into a prime (36972179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22672 + ... + 24247.

It is an arithmetic number, because the mean of its divisors is an integer number (5419260).

Almost surely, 2^36972172 is an apocalyptic number.

It is an amenable number.

36972172 is a deficient number, since it is larger than the sum of its proper divisors (28058948).

36972172 is a wasteful number, since it uses less digits than its factorization.

36972172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47120 (or 47118 counting only the distinct ones).

The product of its digits is 31752, while the sum is 37.

The square root of 36972172 is about 6080.4746525251. The cubic root of 36972172 is about 333.1386245098.

The spelling of 36972172 in words is "thirty-six million, nine hundred seventy-two thousand, one hundred seventy-two".