73791242417 has 2 divisors, whose sum is σ = 73791242418. Its totient is φ = 73791242416.

The previous prime is 73791242339. The next prime is 73791242489. The reversal of 73791242417 is 71424219737.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67373470096 + 6417772321 = 259564^2 + 80111^2 .

It is a cyclic number.

It is not a de Polignac number, because 73791242417 - 2³⁴ = 56611373233 is a prime.

It is not a weakly prime, because it can be changed into another prime (73791242017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36895621208 + 36895621209.

It is an arithmetic number, because the mean of its divisors is an integer number (36895621209).

Almost surely, 2^73791242417 is an apocalyptic number.

It is an amenable number.

73791242417 is a deficient number, since it is larger than the sum of its proper divisors (1).

73791242417 is an equidigital number, since it uses as much as digits as its factorization.

73791242417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 592704, while the sum is 47.

The spelling of 73791242417 in words is "seventy-three billion, seven hundred ninety-one million, two hundred forty-two thousand, four hundred seventeen".