37992971 has 2 divisors, whose sum is σ = 37992972. Its totient is φ = 37992970.

The previous prime is 37992961. The next prime is 37993003. The reversal of 37992971 is 17929973.

It is a weak prime.

It is an emirp because it is prime and its reverse (17929973) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 37992971 - 2⁶ = 37992907 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (37992961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18996485 + 18996486.

It is an arithmetic number, because the mean of its divisors is an integer number (18996486).

Almost surely, 2^37992971 is an apocalyptic number.

37992971 is a deficient number, since it is larger than the sum of its proper divisors (1).

37992971 is an equidigital number, since it uses as much as digits as its factorization.

37992971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 214326, while the sum is 47.

The square root of 37992971 is about 6163.8438494173. The cubic root of 37992971 is about 336.1768101691.

The spelling of 37992971 in words is "thirty-seven million, nine hundred ninety-two thousand, nine hundred seventy-one".