74076770393 has 2 divisors, whose sum is σ = 74076770394. Its totient is φ = 74076770392.

The previous prime is 74076770357. The next prime is 74076770419. The reversal of 74076770393 is 39307767047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49052061529 + 25024708864 = 221477^2 + 158192^2 .

It is a cyclic number.

It is not a de Polignac number, because 74076770393 - 2⁸ = 74076770137 is a prime.

It is not a weakly prime, because it can be changed into another prime (74076770093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37038385196 + 37038385197.

It is an arithmetic number, because the mean of its divisors is an integer number (37038385197).

Almost surely, 2^74076770393 is an apocalyptic number.

It is an amenable number.

74076770393 is a deficient number, since it is larger than the sum of its proper divisors (1).

74076770393 is an equidigital number, since it uses as much as digits as its factorization.

74076770393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4667544, while the sum is 53.

The spelling of 74076770393 in words is "seventy-four billion, seventy-six million, seven hundred seventy thousand, three hundred ninety-three".