39712373 has 2 divisors, whose sum is σ = 39712374. Its totient is φ = 39712372.

The previous prime is 39712367. The next prime is 39712427. The reversal of 39712373 is 37321793.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39225169 + 487204 = 6263^2 + 698^2 .

It is an emirp because it is prime and its reverse (37321793) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39712373 - 2⁸ = 39712117 is a prime.

It is a super-2 number, since 2×39712373² = 3154145138582258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39712303) 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, 19856186 + 19856187.

It is an arithmetic number, because the mean of its divisors is an integer number (19856187).

Almost surely, 2^39712373 is an apocalyptic number.

It is an amenable number.

39712373 is a deficient number, since it is larger than the sum of its proper divisors (1).

39712373 is an equidigital number, since it uses as much as digits as its factorization.

39712373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23814, while the sum is 35.

The square root of 39712373 is about 6301.7753847626. The cubic root of 39712373 is about 341.1734912361.

The spelling of 39712373 in words is "thirty-nine million, seven hundred twelve thousand, three hundred seventy-three".