74759673013 has 2 divisors, whose sum is σ = 74759673014. Its totient is φ = 74759673012.

The previous prime is 74759672947. The next prime is 74759673047. The reversal of 74759673013 is 31037695747.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38346255684 + 36413417329 = 195822^2 + 190823^2 .

It is a cyclic number.

It is not a de Polignac number, because 74759673013 - 2⁹ = 74759672501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74759673913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37379836506 + 37379836507.

It is an arithmetic number, because the mean of its divisors is an integer number (37379836507).

Almost surely, 2^74759673013 is an apocalyptic number.

It is an amenable number.

74759673013 is a deficient number, since it is larger than the sum of its proper divisors (1).

74759673013 is an equidigital number, since it uses as much as digits as its factorization.

74759673013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3333960, while the sum is 52.

The spelling of 74759673013 in words is "seventy-four billion, seven hundred fifty-nine million, six hundred seventy-three thousand, thirteen".