36772218 has 64 divisors (see below), whose sum is σ = 94621440. Its totient is φ = 10497600.

The previous prime is 36772199. The next prime is 36772223. The reversal of 36772218 is 81227763.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30018 + ... + 31218.

It is an arithmetic number, because the mean of its divisors is an integer number (1478460).

Almost surely, 2^36772218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36772218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47310720).

36772218 is an abundant number, since it is smaller than the sum of its proper divisors (57849222).

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

36772218 is an equidigital number, since it uses as much as digits as its factorization.

36772218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231 (or 1213 counting only the distinct ones).

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

The square root of 36772218 is about 6064.0100593584. The cubic root of 36772218 is about 332.5369751784.

The spelling of 36772218 in words is "thirty-six million, seven hundred seventy-two thousand, two hundred eighteen".