36872720 has 40 divisors (see below), whose sum is σ = 88053144. Its totient is φ = 14349312.

The previous prime is 36872663. The next prime is 36872729. The reversal of 36872720 is 2727863.

It can be written as a sum of positive squares in 4 ways, for example, as 16224784 + 20647936 = 4028^2 + 4544^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (36872729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3269 + ... + 9188.

Almost surely, 2^36872720 is an apocalyptic number.

It is an amenable number.

36872720 is an abundant number, since it is smaller than the sum of its proper divisors (51180424).

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

36872720 is a wasteful number, since it uses less digits than its factorization.

36872720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12507 (or 12501 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 36872720 is about 6072.2911656145. The cubic root of 36872720 is about 332.8396514177.

The spelling of 36872720 in words is "thirty-six million, eight hundred seventy-two thousand, seven hundred twenty".