74040710717 has 2 divisors, whose sum is σ = 74040710718. Its totient is φ = 74040710716.

The previous prime is 74040710647. The next prime is 74040710719. The reversal of 74040710717 is 71701704047.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40029605476 + 34011105241 = 200074^2 + 184421^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74040710717 is a prime.

Together with 74040710719, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74040710719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37020355358 + 37020355359.

It is an arithmetic number, because the mean of its divisors is an integer number (37020355359).

Almost surely, 2^74040710717 is an apocalyptic number.

It is an amenable number.

74040710717 is a deficient number, since it is larger than the sum of its proper divisors (1).

74040710717 is an equidigital number, since it uses as much as digits as its factorization.

74040710717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38416, while the sum is 38.

The spelling of 74040710717 in words is "seventy-four billion, forty million, seven hundred ten thousand, seven hundred seventeen".