68806307 has 2 divisors, whose sum is σ = 68806308. Its totient is φ = 68806306.

The previous prime is 68806289. The next prime is 68806343. The reversal of 68806307 is 70360886.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68806307 - 2¹⁰ = 68805283 is a prime.

It is not a weakly prime, because it can be changed into another prime (68806207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34403153 + 34403154.

It is an arithmetic number, because the mean of its divisors is an integer number (34403154).

Almost surely, 2^68806307 is an apocalyptic number.

68806307 is a deficient number, since it is larger than the sum of its proper divisors (1).

68806307 is an equidigital number, since it uses as much as digits as its factorization.

68806307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 68806307 is about 8294.9567208033. The cubic root of 68806307 is about 409.7724436249.

The spelling of 68806307 in words is "sixty-eight million, eight hundred six thousand, three hundred seven".