72322799 has 2 divisors, whose sum is σ = 72322800. Its totient is φ = 72322798.

The previous prime is 72322763. The next prime is 72322813. The reversal of 72322799 is 99722327.

It is a strong prime.

It is an emirp because it is prime and its reverse (99722327) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72322799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72322099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36161399 + 36161400.

It is an arithmetic number, because the mean of its divisors is an integer number (36161400).

Almost surely, 2^72322799 is an apocalyptic number.

72322799 is a deficient number, since it is larger than the sum of its proper divisors (1).

72322799 is an equidigital number, since it uses as much as digits as its factorization.

72322799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 41.

The square root of 72322799 is about 8504.2812159524. The cubic root of 72322799 is about 416.6375498231.

The spelling of 72322799 in words is "seventy-two million, three hundred twenty-two thousand, seven hundred ninety-nine".