72623630579 has 2 divisors, whose sum is σ = 72623630580. Its totient is φ = 72623630578.

The previous prime is 72623630549. The next prime is 72623630617. The reversal of 72623630579 is 97503632627.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72623630579 - 2³⁶ = 3904153843 is a prime.

It is not a weakly prime, because it can be changed into another prime (72623630549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36311815289 + 36311815290.

It is an arithmetic number, because the mean of its divisors is an integer number (36311815290).

Almost surely, 2^72623630579 is an apocalyptic number.

72623630579 is a deficient number, since it is larger than the sum of its proper divisors (1).

72623630579 is an equidigital number, since it uses as much as digits as its factorization.

72623630579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2857680, while the sum is 50.

The spelling of 72623630579 in words is "seventy-two billion, six hundred twenty-three million, six hundred thirty thousand, five hundred seventy-nine".