72418980793 has 2 divisors, whose sum is σ = 72418980794. Its totient is φ = 72418980792.

The previous prime is 72418980791. The next prime is 72418980841. The reversal of 72418980793 is 39708981427.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63709798464 + 8709182329 = 252408^2 + 93323^2 .

It is a cyclic number.

It is not a de Polignac number, because 72418980793 - 2¹ = 72418980791 is a prime.

Together with 72418980791, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (72418980791) 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, 36209490396 + 36209490397.

It is an arithmetic number, because the mean of its divisors is an integer number (36209490397).

Almost surely, 2^72418980793 is an apocalyptic number.

It is an amenable number.

72418980793 is a deficient number, since it is larger than the sum of its proper divisors (1).

72418980793 is an equidigital number, since it uses as much as digits as its factorization.

72418980793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6096384, while the sum is 58.

The spelling of 72418980793 in words is "seventy-two billion, four hundred eighteen million, nine hundred eighty thousand, seven hundred ninety-three".