37985972 has 12 divisors (see below), whose sum is σ = 69365856. Its totient is φ = 18167160.

The previous prime is 37985971. The next prime is 37985989. The reversal of 37985972 is 27958973.

It is a happy number.

37985972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 37985972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37985971) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 206354 + ... + 206537.

It is an arithmetic number, because the mean of its divisors is an integer number (5780488).

Almost surely, 2^37985972 is an apocalyptic number.

It is an amenable number.

37985972 is a deficient number, since it is larger than the sum of its proper divisors (31379884).

37985972 is a wasteful number, since it uses less digits than its factorization.

37985972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412918 (or 412916 counting only the distinct ones).

The product of its digits is 952560, while the sum is 50.

The square root of 37985972 is about 6163.2760768929. The cubic root of 37985972 is about 336.1561655961.

The spelling of 37985972 in words is "thirty-seven million, nine hundred eighty-five thousand, nine hundred seventy-two".