74699325697 has 2 divisors, whose sum is σ = 74699325698. Its totient is φ = 74699325696.

The previous prime is 74699325691. The next prime is 74699325707. The reversal of 74699325697 is 79652399647.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74206663281 + 492662416 = 272409^2 + 22196^2 .

It is a cyclic number.

It is not a de Polignac number, because 74699325697 - 2³ = 74699325689 is a prime.

It is not a weakly prime, because it can be changed into another prime (74699325691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37349662848 + 37349662849.

It is an arithmetic number, because the mean of its divisors is an integer number (37349662849).

Almost surely, 2^74699325697 is an apocalyptic number.

It is an amenable number.

74699325697 is a deficient number, since it is larger than the sum of its proper divisors (1).

74699325697 is an equidigital number, since it uses as much as digits as its factorization.

74699325697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 154314720, while the sum is 67.

The spelling of 74699325697 in words is "seventy-four billion, six hundred ninety-nine million, three hundred twenty-five thousand, six hundred ninety-seven".