68845339 has 2 divisors, whose sum is σ = 68845340. Its totient is φ = 68845338.

The previous prime is 68845321. The next prime is 68845349. The reversal of 68845339 is 93354886.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68845339 - 2⁵ = 68845307 is a prime.

It is not a weakly prime, because it can be changed into another prime (68845319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34422669 + 34422670.

It is an arithmetic number, because the mean of its divisors is an integer number (34422670).

Almost surely, 2^68845339 is an apocalyptic number.

68845339 is a deficient number, since it is larger than the sum of its proper divisors (1).

68845339 is an equidigital number, since it uses as much as digits as its factorization.

68845339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 46.

The square root of 68845339 is about 8297.3091421255. The cubic root of 68845339 is about 409.8499133381.

The spelling of 68845339 in words is "sixty-eight million, eight hundred forty-five thousand, three hundred thirty-nine".