37840572 has 216 divisors, whose sum is σ = 128969568. Its totient is φ = 9123840.

The previous prime is 37840567. The next prime is 37840591. The reversal of 37840572 is 27504873.

37840572 is a `hidden beast` number, since 3 + 7 + 84 + 0 + 572 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 518328 + ... + 518400.

Almost surely, 2^37840572 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 37840572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64484784).

37840572 is an abundant number, since it is smaller than the sum of its proper divisors (91128996).

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

37840572 is a wasteful number, since it uses less digits than its factorization.

37840572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 37840572 is about 6151.4690928265. The cubic root of 37840572 is about 335.7267123038.

The spelling of 37840572 in words is "thirty-seven million, eight hundred forty thousand, five hundred seventy-two".