36172872 has 64 divisors (see below), whose sum is σ = 106401600. Its totient is φ = 11347200.

The previous prime is 36172853. The next prime is 36172907. The reversal of 36172872 is 27827163.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1254 + ... + 8597.

It is an arithmetic number, because the mean of its divisors is an integer number (1662525).

Almost surely, 2^36172872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36172872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53200800).

36172872 is an abundant number, since it is smaller than the sum of its proper divisors (70228728).

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

36172872 is a wasteful number, since it uses less digits than its factorization.

36172872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9883 (or 9873 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 36172872 is about 6014.3887469967. The cubic root of 36172872 is about 330.7204096296.

The spelling of 36172872 in words is "thirty-six million, one hundred seventy-two thousand, eight hundred seventy-two".