72533103635579 has 2 divisors, whose sum is σ = 72533103635580. Its totient is φ = 72533103635578.

The previous prime is 72533103635557. The next prime is 72533103635693. The reversal of 72533103635579 is 97553630133527.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72533103635579 - 2²⁰ = 72533102587003 is a prime.

It is a super-2 number, since 2×72533103635579² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (72533103635539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36266551817789 + 36266551817790.

It is an arithmetic number, because the mean of its divisors is an integer number (36266551817790).

Almost surely, 2^{72533103635579} is an apocalyptic number.

72533103635579 is a deficient number, since it is larger than the sum of its proper divisors (1).

72533103635579 is an equidigital number, since it uses as much as digits as its factorization.

72533103635579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53581500, while the sum is 59.

The spelling of 72533103635579 in words is "seventy-two trillion, five hundred thirty-three billion, one hundred three million, six hundred thirty-five thousand, five hundred seventy-nine".