37685980 has 48 divisors (see below), whose sum is σ = 82123776. Its totient is φ = 14515200.

The previous prime is 37685951. The next prime is 37686001. The reversal of 37685980 is 8958673.

It is a self number, because there is not a number n which added to its sum of digits gives 37685980.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93780 + ... + 94180.

It is an arithmetic number, because the mean of its divisors is an integer number (1710912).

Almost surely, 2^37685980 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 37685980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41061888).

37685980 is an abundant number, since it is smaller than the sum of its proper divisors (44437796).

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

37685980 is a wasteful number, since it uses less digits than its factorization.

37685980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574 (or 572 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 37685980 is about 6138.8907792858. The cubic root of 37685980 is about 335.2689011990.

The spelling of 37685980 in words is "thirty-seven million, six hundred eighty-five thousand, nine hundred eighty".