74000666717 has 2 divisors, whose sum is σ = 74000666718. Its totient is φ = 74000666716.

The previous prime is 74000666671. The next prime is 74000666731. The reversal of 74000666717 is 71766600047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73329390436 + 671276281 = 270794^2 + 25909^2 .

It is a cyclic number.

It is not a de Polignac number, because 74000666717 - 2⁶ = 74000666653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74000662717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37000333358 + 37000333359.

It is an arithmetic number, because the mean of its divisors is an integer number (37000333359).

Almost surely, 2^74000666717 is an apocalyptic number.

It is an amenable number.

74000666717 is a deficient number, since it is larger than the sum of its proper divisors (1).

74000666717 is an equidigital number, since it uses as much as digits as its factorization.

74000666717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 296352, while the sum is 44.

The spelling of 74000666717 in words is "seventy-four billion, six hundred sixty-six thousand, seven hundred seventeen".