72324336366617 has 2 divisors, whose sum is σ = 72324336366618. Its totient is φ = 72324336366616.

The previous prime is 72324336366559. The next prime is 72324336366619. The reversal of 72324336366617 is 71666363342327.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55036278798736 + 17288057567881 = 7418644^2 + 4157891^2 .

It is a cyclic number.

It is not a de Polignac number, because 72324336366617 - 2¹² = 72324336362521 is a prime.

Together with 72324336366619, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (72324336366619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36162168183308 + 36162168183309.

It is an arithmetic number, because the mean of its divisors is an integer number (36162168183309).

Almost surely, 2^{72324336366617} is an apocalyptic number.

It is an amenable number.

72324336366617 is a deficient number, since it is larger than the sum of its proper divisors (1).

72324336366617 is an equidigital number, since it uses as much as digits as its factorization.

72324336366617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82301184, while the sum is 59.

The spelling of 72324336366617 in words is "seventy-two trillion, three hundred twenty-four billion, three hundred thirty-six million, three hundred sixty-six thousand, six hundred seventeen".