37422840 has 256 divisors, whose sum is σ = 145152000. Its totient is φ = 7501824.

The previous prime is 37422811. The next prime is 37422877. The reversal of 37422840 is 4822473.

37422840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 37422798 and 37422807.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 251086 + ... + 251234.

It is an arithmetic number, because the mean of its divisors is an integer number (567000).

Almost surely, 2^37422840 is an apocalyptic number.

37422840 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 37422840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72576000).

37422840 is an abundant number, since it is smaller than the sum of its proper divisors (107729160).

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

37422840 is a wasteful number, since it uses less digits than its factorization.

37422840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 37422840 is about 6117.4210252360. The cubic root of 37422840 is about 334.4867465328.

The spelling of 37422840 in words is "thirty-seven million, four hundred twenty-two thousand, eight hundred forty".