36972656 has 40 divisors (see below), whose sum is σ = 83551200. Its totient is φ = 15843072.

The previous prime is 36972653. The next prime is 36972701. The reversal of 36972656 is 65627963.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36972653) 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, 2120 + ... + 8856.

It is an arithmetic number, because the mean of its divisors is an integer number (2088780).

Almost surely, 2^36972656 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 36972656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41775600).

36972656 is an abundant number, since it is smaller than the sum of its proper divisors (46578544).

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

36972656 is an equidigital number, since it uses as much as digits as its factorization.

36972656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6766 (or 6746 counting only the distinct ones).

The product of its digits is 408240, while the sum is 44.

The square root of 36972656 is about 6080.5144519193. The cubic root of 36972656 is about 333.1400782012.

The spelling of 36972656 in words is "thirty-six million, nine hundred seventy-two thousand, six hundred fifty-six".