74073667366709 has 2 divisors, whose sum is σ = 74073667366710. Its totient is φ = 74073667366708.

The previous prime is 74073667366697. The next prime is 74073667366717. The reversal of 74073667366709 is 90766376637047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37079026455025 + 36994640911684 = 6089255^2 + 6082322^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74073667366709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74073667366799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37036833683354 + 37036833683355.

It is an arithmetic number, because the mean of its divisors is an integer number (37036833683355).

Almost surely, 2^{74073667366709} is an apocalyptic number.

It is an amenable number.

74073667366709 is a deficient number, since it is larger than the sum of its proper divisors (1).

74073667366709 is an equidigital number, since it uses as much as digits as its factorization.

74073667366709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008189504, while the sum is 71.

The spelling of 74073667366709 in words is "seventy-four trillion, seventy-three billion, six hundred sixty-seven million, three hundred sixty-six thousand, seven hundred nine".