37381812 has 48 divisors (see below), whose sum is σ = 97184640. Its totient is φ = 11104128.

The previous prime is 37381811. The next prime is 37381829. The reversal of 37381812 is 21818373.

37381812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37381811) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 393 + ... + 8655.

It is an arithmetic number, because the mean of its divisors is an integer number (2024680).

Almost surely, 2^37381812 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 37381812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48592320).

37381812 is an abundant number, since it is smaller than the sum of its proper divisors (59802828).

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

37381812 is a wasteful number, since it uses less digits than its factorization.

37381812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8312 (or 8310 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 37381812 is about 6114.0667317261. The cubic root of 37381812 is about 334.3644652342.

The spelling of 37381812 in words is "thirty-seven million, three hundred eighty-one thousand, eight hundred twelve".