37944018 has 64 divisors (see below), whose sum is σ = 99006720. Its totient is φ = 10544256.

The previous prime is 37943987. The next prime is 37944029. The reversal of 37944018 is 81044973.

It is a happy number.

37944018 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 31 ways as a sum of consecutive naturals, for example, 12630 + ... + 15342.

It is an arithmetic number, because the mean of its divisors is an integer number (1546980).

Almost surely, 2^37944018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 37944018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49503360).

37944018 is an abundant number, since it is smaller than the sum of its proper divisors (61062702).

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

37944018 is a wasteful number, since it uses less digits than its factorization.

37944018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2768 (or 2762 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 37944018 is about 6159.8715895707. The cubic root of 37944018 is about 336.0323629542.

The spelling of 37944018 in words is "thirty-seven million, nine hundred forty-four thousand, eighteen".