37998975 has 24 divisors (see below), whose sum is σ = 71800960. Its totient is φ = 17370720.

The previous prime is 37998973. The next prime is 37998979. The reversal of 37998975 is 57989973.

It is not a de Polignac number, because 37998975 - 2¹ = 37998973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37998973) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35665 + ... + 36714.

Almost surely, 2^37998975 is an apocalyptic number.

37998975 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

37998975 is a deficient number, since it is larger than the sum of its proper divisors (33801985).

37998975 is a wasteful number, since it uses less digits than its factorization.

37998975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72399 (or 72394 counting only the distinct ones).

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

The square root of 37998975 is about 6164.3308639300. The cubic root of 37998975 is about 336.1945178240.

The spelling of 37998975 in words is "thirty-seven million, nine hundred ninety-eight thousand, nine hundred seventy-five".