72767403019 has 2 divisors, whose sum is σ = 72767403020. Its totient is φ = 72767403018.

The previous prime is 72767403001. The next prime is 72767403077. The reversal of 72767403019 is 91030476727.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72767403019 - 2²⁷ = 72633185291 is a prime.

It is a super-2 number, since 2×72767403019² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72767403019.

It is not a weakly prime, because it can be changed into another prime (72767403089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36383701509 + 36383701510.

It is an arithmetic number, because the mean of its divisors is an integer number (36383701510).

Almost surely, 2^72767403019 is an apocalyptic number.

72767403019 is a deficient number, since it is larger than the sum of its proper divisors (1).

72767403019 is an equidigital number, since it uses as much as digits as its factorization.

72767403019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 444528, while the sum is 46.

The spelling of 72767403019 in words is "seventy-two billion, seven hundred sixty-seven million, four hundred three thousand, nineteen".