37944972 has 72 divisors (see below), whose sum is σ = 104569920. Its totient is φ = 11531520.

The previous prime is 37944953. The next prime is 37945007. The reversal of 37944972 is 27944973.

37944972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 23 ways as a sum of consecutive naturals, for example, 41197 + ... + 42107.

It is an arithmetic number, because the mean of its divisors is an integer number (1452360).

Almost surely, 2^37944972 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 37944972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52284960).

37944972 is an abundant number, since it is smaller than the sum of its proper divisors (66624948).

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

37944972 is a wasteful number, since it uses less digits than its factorization.

37944972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023 (or 1018 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 37944972 is about 6159.9490257631. The cubic root of 37944972 is about 336.0351791398.

Subtracting from 37944972 its reverse (27944973), we obtain a palindrome (9999999).

The spelling of 37944972 in words is "thirty-seven million, nine hundred forty-four thousand, nine hundred seventy-two".