37722500 has 60 divisors (see below), whose sum is σ = 83973120. Its totient is φ = 14820000.

The previous prime is 37722493. The next prime is 37722521. The reversal of 37722500 is 522773.

37722500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 37722500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 197405 + ... + 197595.

It is an arithmetic number, because the mean of its divisors is an integer number (1399552).

Almost surely, 2^37722500 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 37722500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41986560).

37722500 is an abundant number, since it is smaller than the sum of its proper divisors (46250620).

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

37722500 is a wasteful number, since it uses less digits than its factorization.

37722500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 37722500 is about 6141.8645377442. The cubic root of 37722500 is about 335.3771648674.

The spelling of 37722500 in words is "thirty-seven million, seven hundred twenty-two thousand, five hundred".