74320942576117 has 2 divisors, whose sum is σ = 74320942576118. Its totient is φ = 74320942576116.

The previous prime is 74320942576091. The next prime is 74320942576169. The reversal of 74320942576117 is 71167524902347.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54404992448676 + 19915950127441 = 7375974^2 + 4462729^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74320942576117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74320942576417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37160471288058 + 37160471288059.

It is an arithmetic number, because the mean of its divisors is an integer number (37160471288059).

Almost surely, 2^{74320942576117} is an apocalyptic number.

It is an amenable number.

74320942576117 is a deficient number, since it is larger than the sum of its proper divisors (1).

74320942576117 is an equidigital number, since it uses as much as digits as its factorization.

74320942576117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17781120, while the sum is 58.

The spelling of 74320942576117 in words is "seventy-four trillion, three hundred twenty billion, nine hundred forty-two million, five hundred seventy-six thousand, one hundred seventeen".