73517806741 has 2 divisors, whose sum is σ = 73517806742. Its totient is φ = 73517806740.

The previous prime is 73517806729. The next prime is 73517806759. The reversal of 73517806741 is 14760871537.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53319428100 + 20198378641 = 230910^2 + 142121^2 .

It is a cyclic number.

It is not a de Polignac number, because 73517806741 - 2⁵ = 73517806709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73517806721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36758903370 + 36758903371.

It is an arithmetic number, because the mean of its divisors is an integer number (36758903371).

Almost surely, 2^73517806741 is an apocalyptic number.

It is an amenable number.

73517806741 is a deficient number, since it is larger than the sum of its proper divisors (1).

73517806741 is an equidigital number, since it uses as much as digits as its factorization.

73517806741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 987840, while the sum is 49.

The spelling of 73517806741 in words is "seventy-three billion, five hundred seventeen million, eight hundred six thousand, seven hundred forty-one".