37922940 has 144 divisors (see below), whose sum is σ = 127370880. Its totient is φ = 9056640.

The previous prime is 37922933. The next prime is 37922959. The reversal of 37922940 is 4922973.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 37922895 and 37922904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 211771 + ... + 211949.

It is an arithmetic number, because the mean of its divisors is an integer number (884520).

Almost surely, 2^37922940 is an apocalyptic number.

37922940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 37922940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63685440).

37922940 is an abundant number, since it is smaller than the sum of its proper divisors (89447940).

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

37922940 is a wasteful number, since it uses less digits than its factorization.

37922940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 37922940 is about 6158.1604396118. The cubic root of 37922940 is about 335.9701291472.

The spelling of 37922940 in words is "thirty-seven million, nine hundred twenty-two thousand, nine hundred forty".