74320842667 has 2 divisors, whose sum is σ = 74320842668. Its totient is φ = 74320842666.

The previous prime is 74320842623. The next prime is 74320842733. The reversal of 74320842667 is 76624802347.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74320842667 - 2¹¹ = 74320840619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74320842667.

It is not a weakly prime, because it can be changed into another prime (74320842767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37160421333 + 37160421334.

It is an arithmetic number, because the mean of its divisors is an integer number (37160421334).

Almost surely, 2^74320842667 is an apocalyptic number.

74320842667 is a deficient number, since it is larger than the sum of its proper divisors (1).

74320842667 is an equidigital number, since it uses as much as digits as its factorization.

74320842667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2709504, while the sum is 49.

The spelling of 74320842667 in words is "seventy-four billion, three hundred twenty million, eight hundred forty-two thousand, six hundred sixty-seven".