74505376736993 has 2 divisors, whose sum is σ = 74505376736994. Its totient is φ = 74505376736992.

The previous prime is 74505376736983. The next prime is 74505376737013. The reversal of 74505376736993 is 39963767350547.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55698652701409 + 18806724035584 = 7463153^2 + 4336672^2 .

It is a cyclic number.

It is not a de Polignac number, because 74505376736993 - 2¹⁰ = 74505376735969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74505376736993.

It is not a weakly prime, because it can be changed into another prime (74505376736953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37252688368496 + 37252688368497.

It is an arithmetic number, because the mean of its divisors is an integer number (37252688368497).

Almost surely, 2^{74505376736993} is an apocalyptic number.

It is an amenable number.

74505376736993 is a deficient number, since it is larger than the sum of its proper divisors (1).

74505376736993 is an equidigital number, since it uses as much as digits as its factorization.

74505376736993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700507600, while the sum is 74.

The spelling of 74505376736993 in words is "seventy-four trillion, five hundred five billion, three hundred seventy-six million, seven hundred thirty-six thousand, nine hundred ninety-three".