72916799 has 2 divisors, whose sum is σ = 72916800. Its totient is φ = 72916798.

The previous prime is 72916783. The next prime is 72916841. The reversal of 72916799 is 99761927.

It is a weak prime.

It is an emirp because it is prime and its reverse (99761927) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72916799 - 2⁴ = 72916783 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72916729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36458399 + 36458400.

It is an arithmetic number, because the mean of its divisors is an integer number (36458400).

Almost surely, 2^72916799 is an apocalyptic number.

72916799 is a deficient number, since it is larger than the sum of its proper divisors (1).

72916799 is an equidigital number, since it uses as much as digits as its factorization.

72916799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 428652, while the sum is 50.

The square root of 72916799 is about 8539.1333869427. The cubic root of 72916799 is about 417.7750806474.

The spelling of 72916799 in words is "seventy-two million, nine hundred sixteen thousand, seven hundred ninety-nine".