37471997 has 2 divisors, whose sum is σ = 37471998. Its totient is φ = 37471996.

The previous prime is 37471943. The next prime is 37472003. The reversal of 37471997 is 79917473.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19545241 + 17926756 = 4421^2 + 4234^2 .

It is a cyclic number.

It is not a de Polignac number, because 37471997 - 2¹² = 37467901 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37471697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18735998 + 18735999.

It is an arithmetic number, because the mean of its divisors is an integer number (18735999).

Almost surely, 2^37471997 is an apocalyptic number.

It is an amenable number.

37471997 is a deficient number, since it is larger than the sum of its proper divisors (1).

37471997 is an equidigital number, since it uses as much as digits as its factorization.

37471997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 333396, while the sum is 47.

The square root of 37471997 is about 6121.4374945759. The cubic root of 37471997 is about 334.6331381565.

The spelling of 37471997 in words is "thirty-seven million, four hundred seventy-one thousand, nine hundred ninety-seven".