37989975 has 12 divisors (see below), whose sum is σ = 62810216. Its totient is φ = 20261280.

The previous prime is 37989961. The next prime is 37989979. The reversal of 37989975 is 57998973.

It is not a de Polignac number, because 37989975 - 2⁹ = 37989463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37989979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 253192 + ... + 253341.

Almost surely, 2^37989975 is an apocalyptic number.

37989975 is a deficient number, since it is larger than the sum of its proper divisors (24820241).

37989975 is a wasteful number, since it uses less digits than its factorization.

37989975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506546 (or 506541 counting only the distinct ones).

The product of its digits is 4286520, while the sum is 57.

The square root of 37989975 is about 6163.6008144590. The cubic root of 37989975 is about 336.1679733398.

The spelling of 37989975 in words is "thirty-seven million, nine hundred eighty-nine thousand, nine hundred seventy-five".