68328907 has 2 divisors, whose sum is σ = 68328908. Its totient is φ = 68328906.

The previous prime is 68328857. The next prime is 68328941. The reversal of 68328907 is 70982386.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68328907 - 2⁷ = 68328779 is a prime.

It is not a weakly prime, because it can be changed into another prime (68328947) 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, 34164453 + 34164454.

It is an arithmetic number, because the mean of its divisors is an integer number (34164454).

Almost surely, 2^68328907 is an apocalyptic number.

68328907 is a deficient number, since it is larger than the sum of its proper divisors (1).

68328907 is an equidigital number, since it uses as much as digits as its factorization.

68328907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 68328907 is about 8266.1301102753. The cubic root of 68328907 is about 408.8225328673.

The spelling of 68328907 in words is "sixty-eight million, three hundred twenty-eight thousand, nine hundred seven".