37840097 has 2 divisors, whose sum is σ = 37840098. Its totient is φ = 37840096.

The previous prime is 37840093. The next prime is 37840111. The reversal of 37840097 is 79004873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20939776 + 16900321 = 4576^2 + 4111^2 .

It is a cyclic number.

It is not a de Polignac number, because 37840097 - 2² = 37840093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 37840097.

It is not a weakly prime, because it can be changed into another prime (37840091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18920048 + 18920049.

It is an arithmetic number, because the mean of its divisors is an integer number (18920049).

Almost surely, 2^37840097 is an apocalyptic number.

It is an amenable number.

37840097 is a deficient number, since it is larger than the sum of its proper divisors (1).

37840097 is an equidigital number, since it uses as much as digits as its factorization.

37840097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 37840097 is about 6151.4304840419. The cubic root of 37840097 is about 335.7253075430.

The spelling of 37840097 in words is "thirty-seven million, eight hundred forty thousand, ninety-seven".