36644872 has 16 divisors (see below), whose sum is σ = 74955600. Its totient is φ = 16656720.

The previous prime is 36644851. The next prime is 36644873. The reversal of 36644872 is 27844663.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (36644873) 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, 208122 + ... + 208297.

It is an arithmetic number, because the mean of its divisors is an integer number (4684725).

Almost surely, 2^36644872 is an apocalyptic number.

It is an amenable number.

36644872 is an abundant number, since it is smaller than the sum of its proper divisors (38310728).

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

36644872 is a wasteful number, since it uses less digits than its factorization.

36644872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416436 (or 416432 counting only the distinct ones).

The product of its digits is 193536, while the sum is 40.

The square root of 36644872 is about 6053.5008053192. The cubic root of 36644872 is about 332.1526611997.

The spelling of 36644872 in words is "thirty-six million, six hundred forty-four thousand, eight hundred seventy-two".