37997141 has 16 divisors (see below), whose sum is σ = 47432448. Its totient is φ = 29635200.

The previous prime is 37997129. The next prime is 37997143. The reversal of 37997141 is 14179973.

It is not a de Polignac number, because 37997141 - 2⁶ = 37997077 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37997143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3521 + ... + 9401.

It is an arithmetic number, because the mean of its divisors is an integer number (2964528).

Almost surely, 2^37997141 is an apocalyptic number.

It is an amenable number.

37997141 is a deficient number, since it is larger than the sum of its proper divisors (9435307).

37997141 is a wasteful number, since it uses less digits than its factorization.

37997141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5972.

The product of its digits is 47628, while the sum is 41.

The square root of 37997141 is about 6164.1821030855. The cubic root of 37997141 is about 336.1891089880.

The spelling of 37997141 in words is "thirty-seven million, nine hundred ninety-seven thousand, one hundred forty-one".