68960939 has 2 divisors, whose sum is σ = 68960940. Its totient is φ = 68960938.

The previous prime is 68960929. The next prime is 68960971. The reversal of 68960939 is 93906986.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68960939 - 2²⁴ = 52183723 is a prime.

It is a super-2 number, since 2×68960939² = 9511222215523442, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68960909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34480469 + 34480470.

It is an arithmetic number, because the mean of its divisors is an integer number (34480470).

Almost surely, 2^68960939 is an apocalyptic number.

68960939 is a deficient number, since it is larger than the sum of its proper divisors (1).

68960939 is an equidigital number, since it uses as much as digits as its factorization.

68960939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 629856, while the sum is 50.

The square root of 68960939 is about 8304.2723341663. The cubic root of 68960939 is about 410.0791816136.

The spelling of 68960939 in words is "sixty-eight million, nine hundred sixty thousand, nine hundred thirty-nine".