73743925284017 has 2 divisors, whose sum is σ = 73743925284018. Its totient is φ = 73743925284016.

The previous prime is 73743925283939. The next prime is 73743925284023. The reversal of 73743925284017 is 71048252934737.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54142754046976 + 19601171237041 = 7358176^2 + 4427321^2 .

It is a cyclic number.

It is not a de Polignac number, because 73743925284017 - 2²⁰ = 73743924235441 is a prime.

It is not a weakly prime, because it can be changed into another prime (73743925254017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36871962642008 + 36871962642009.

It is an arithmetic number, because the mean of its divisors is an integer number (36871962642009).

Almost surely, 2^{73743925284017} is an apocalyptic number.

It is an amenable number.

73743925284017 is a deficient number, since it is larger than the sum of its proper divisors (1).

73743925284017 is an equidigital number, since it uses as much as digits as its factorization.

73743925284017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71124480, while the sum is 62.

The spelling of 73743925284017 in words is "seventy-three trillion, seven hundred forty-three billion, nine hundred twenty-five million, two hundred eighty-four thousand, seventeen".