68772299 has 2 divisors, whose sum is σ = 68772300. Its totient is φ = 68772298.

The previous prime is 68772287. The next prime is 68772317. The reversal of 68772299 is 99227786.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68772299 - 2⁴ = 68772283 is a prime.

It is not a weakly prime, because it can be changed into another prime (68772239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34386149 + 34386150.

It is an arithmetic number, because the mean of its divisors is an integer number (34386150).

Almost surely, 2^68772299 is an apocalyptic number.

68772299 is a deficient number, since it is larger than the sum of its proper divisors (1).

68772299 is an equidigital number, since it uses as much as digits as its factorization.

68772299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 50.

The square root of 68772299 is about 8292.9065471643. The cubic root of 68772299 is about 409.7049215308.

The spelling of 68772299 in words is "sixty-eight million, seven hundred seventy-two thousand, two hundred ninety-nine".