72534011579 has 2 divisors, whose sum is σ = 72534011580. Its totient is φ = 72534011578.

The previous prime is 72534011549. The next prime is 72534011591. The reversal of 72534011579 is 97511043527.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72534011579 is a prime.

It is a super-2 number, since 2×72534011579² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (72534011549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36267005789 + 36267005790.

It is an arithmetic number, because the mean of its divisors is an integer number (36267005790).

Almost surely, 2^72534011579 is an apocalyptic number.

72534011579 is a deficient number, since it is larger than the sum of its proper divisors (1).

72534011579 is an equidigital number, since it uses as much as digits as its factorization.

72534011579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 264600, while the sum is 44.

The spelling of 72534011579 in words is "seventy-two billion, five hundred thirty-four million, eleven thousand, five hundred seventy-nine".