73040745017 has 2 divisors, whose sum is σ = 73040745018. Its totient is φ = 73040745016.

The previous prime is 73040744989. The next prime is 73040745031. The reversal of 73040745017 is 71054704037.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37023917056 + 36016827961 = 192416^2 + 189781^2 .

It is a cyclic number.

It is not a de Polignac number, because 73040745017 - 2¹⁸ = 73040482873 is a prime.

It is not a weakly prime, because it can be changed into another prime (73040745517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36520372508 + 36520372509.

It is an arithmetic number, because the mean of its divisors is an integer number (36520372509).

Almost surely, 2^73040745017 is an apocalyptic number.

It is an amenable number.

73040745017 is a deficient number, since it is larger than the sum of its proper divisors (1).

73040745017 is an equidigital number, since it uses as much as digits as its factorization.

73040745017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82320, while the sum is 38.

The spelling of 73040745017 in words is "seventy-three billion, forty million, seven hundred forty-five thousand, seventeen".