68875307 has 2 divisors, whose sum is σ = 68875308. Its totient is φ = 68875306.

The previous prime is 68875297. The next prime is 68875321. The reversal of 68875307 is 70357886.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68875307 - 2¹⁰ = 68874283 is a prime.

It is not a weakly prime, because it can be changed into another prime (68875327) 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, 34437653 + 34437654.

It is an arithmetic number, because the mean of its divisors is an integer number (34437654).

Almost surely, 2^68875307 is an apocalyptic number.

68875307 is a deficient number, since it is larger than the sum of its proper divisors (1).

68875307 is an equidigital number, since it uses as much as digits as its factorization.

68875307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 68875307 is about 8299.1148323180. The cubic root of 68875307 is about 409.9093731876.

The spelling of 68875307 in words is "sixty-eight million, eight hundred seventy-five thousand, three hundred seven".