37422720 has 192 divisors, whose sum is σ = 132467400. Its totient is φ = 9732096.

The previous prime is 37422719. The next prime is 37422733. The reversal of 37422720 is 2722473.

It can be written as a sum of positive squares in 4 ways, for example, as 25644096 + 11778624 = 5064^2 + 3432^2 .

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 420436 + ... + 420524.

Almost surely, 2^37422720 is an apocalyptic number.

37422720 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 37422720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66233700).

37422720 is an abundant number, since it is smaller than the sum of its proper divisors (95044680).

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

37422720 is a wasteful number, since it uses less digits than its factorization.

37422720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 37422720 is about 6117.4112171735. The cubic root of 37422720 is about 334.4863890109.

The spelling of 37422720 in words is "thirty-seven million, four hundred twenty-two thousand, seven hundred twenty".