72410334631717 has 2 divisors, whose sum is σ = 72410334631718. Its totient is φ = 72410334631716.

The previous prime is 72410334631709. The next prime is 72410334631727. The reversal of 72410334631717 is 71713643301427.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38434655785761 + 33975678845956 = 6199569^2 + 5828866^2 .

It is a cyclic number.

It is not a de Polignac number, because 72410334631717 - 2³ = 72410334631709 is a prime.

It is a super-2 number, since 2×72410334631717² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72410334631727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36205167315858 + 36205167315859.

It is an arithmetic number, because the mean of its divisors is an integer number (36205167315859).

Almost surely, 2^{72410334631717} is an apocalyptic number.

It is an amenable number.

72410334631717 is a deficient number, since it is larger than the sum of its proper divisors (1).

72410334631717 is an equidigital number, since it uses as much as digits as its factorization.

72410334631717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1778112, while the sum is 49.

The spelling of 72410334631717 in words is "seventy-two trillion, four hundred ten billion, three hundred thirty-four million, six hundred thirty-one thousand, seven hundred seventeen".