72342904679417 has 2 divisors, whose sum is σ = 72342904679418. Its totient is φ = 72342904679416.

The previous prime is 72342904679401. The next prime is 72342904679531. The reversal of 72342904679417 is 71497640924327.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69688836864256 + 2654067815161 = 8347984^2 + 1629131^2 .

It is a cyclic number.

It is not a de Polignac number, because 72342904679417 - 2⁴ = 72342904679401 is a prime.

It is not a weakly prime, because it can be changed into another prime (72342904639417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36171452339708 + 36171452339709.

It is an arithmetic number, because the mean of its divisors is an integer number (36171452339709).

Almost surely, 2^{72342904679417} is an apocalyptic number.

It is an amenable number.

72342904679417 is a deficient number, since it is larger than the sum of its proper divisors (1).

72342904679417 is an equidigital number, since it uses as much as digits as its factorization.

72342904679417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128024064, while the sum is 65.

The spelling of 72342904679417 in words is "seventy-two trillion, three hundred forty-two billion, nine hundred four million, six hundred seventy-nine thousand, four hundred seventeen".