36622720 has 32 divisors (see below), whose sum is σ = 87552720. Its totient is φ = 14648832.

The previous prime is 36622681. The next prime is 36622721. The reversal of 36622720 is 2722663.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36622721) 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, 27972 + ... + 29251.

Almost surely, 2^36622720 is an apocalyptic number.

It is an amenable number.

36622720 is an abundant number, since it is smaller than the sum of its proper divisors (50930000).

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

36622720 is an equidigital number, since it uses as much as digits as its factorization.

36622720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57242 (or 57230 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 36622720 is about 6051.6708436596. The cubic root of 36622720 is about 332.0857184192.

The spelling of 36622720 in words is "thirty-six million, six hundred twenty-two thousand, seven hundred twenty".