37689313 has 2 divisors, whose sum is σ = 37689314. Its totient is φ = 37689312.

The previous prime is 37689283. The next prime is 37689317. The reversal of 37689313 is 31398673.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33721249 + 3968064 = 5807^2 + 1992^2 .

It is a cyclic number.

It is not a de Polignac number, because 37689313 - 2²⁵ = 4134881 is a prime.

It is not a weakly prime, because it can be changed into another prime (37689317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18844656 + 18844657.

It is an arithmetic number, because the mean of its divisors is an integer number (18844657).

Almost surely, 2^37689313 is an apocalyptic number.

It is an amenable number.

37689313 is a deficient number, since it is larger than the sum of its proper divisors (1).

37689313 is an equidigital number, since it uses as much as digits as its factorization.

37689313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 40.

The square root of 37689313 is about 6139.1622392636. The cubic root of 37689313 is about 335.2787847888.

The spelling of 37689313 in words is "thirty-seven million, six hundred eighty-nine thousand, three hundred thirteen".