74976634309 has 2 divisors, whose sum is σ = 74976634310. Its totient is φ = 74976634308.

The previous prime is 74976634303. The next prime is 74976634339. The reversal of 74976634309 is 90343667947.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58650183684 + 16326450625 = 242178^2 + 127775^2 .

It is a cyclic number.

It is not a de Polignac number, because 74976634309 - 2²³ = 74968245701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74976634303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37488317154 + 37488317155.

It is an arithmetic number, because the mean of its divisors is an integer number (37488317155).

Almost surely, 2^74976634309 is an apocalyptic number.

It is an amenable number.

74976634309 is a deficient number, since it is larger than the sum of its proper divisors (1).

74976634309 is an equidigital number, since it uses as much as digits as its factorization.

74976634309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20575296, while the sum is 58.

The spelling of 74976634309 in words is "seventy-four billion, nine hundred seventy-six million, six hundred thirty-four thousand, three hundred nine".