72843040799 has 2 divisors, whose sum is σ = 72843040800. Its totient is φ = 72843040798.

The previous prime is 72843040793. The next prime is 72843040811. The reversal of 72843040799 is 99704034827.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72843040799 - 2³⁶ = 4123564063 is a prime.

It is a super-2 number, since 2×72843040799² (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 72843040799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72843040793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36421520399 + 36421520400.

It is an arithmetic number, because the mean of its divisors is an integer number (36421520400).

Almost surely, 2^72843040799 is an apocalyptic number.

72843040799 is a deficient number, since it is larger than the sum of its proper divisors (1).

72843040799 is an equidigital number, since it uses as much as digits as its factorization.

72843040799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 72843040799 in words is "seventy-two billion, eight hundred forty-three million, forty thousand, seven hundred ninety-nine".