72825299 has 2 divisors, whose sum is σ = 72825300. Its totient is φ = 72825298.

The previous prime is 72825257. The next prime is 72825317. The reversal of 72825299 is 99252827.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72825299 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (72815299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36412649 + 36412650.

It is an arithmetic number, because the mean of its divisors is an integer number (36412650).

Almost surely, 2^72825299 is an apocalyptic number.

72825299 is a deficient number, since it is larger than the sum of its proper divisors (1).

72825299 is an equidigital number, since it uses as much as digits as its factorization.

72825299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The square root of 72825299 is about 8533.7740185688. The cubic root of 72825299 is about 417.6002584707.

The spelling of 72825299 in words is "seventy-two million, eight hundred twenty-five thousand, two hundred ninety-nine".