68306683 has 2 divisors, whose sum is σ = 68306684. Its totient is φ = 68306682.

The previous prime is 68306677. The next prime is 68306713. The reversal of 68306683 is 38660386.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68306683 - 2²⁵ = 34752251 is a prime.

It is not a weakly prime, because it can be changed into another prime (68306633) 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, 34153341 + 34153342.

It is an arithmetic number, because the mean of its divisors is an integer number (34153342).

Almost surely, 2^68306683 is an apocalyptic number.

68306683 is a deficient number, since it is larger than the sum of its proper divisors (1).

68306683 is an equidigital number, since it uses as much as digits as its factorization.

68306683 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 68306683 is about 8264.7857201503. The cubic root of 68306683 is about 408.7782048389.

The spelling of 68306683 in words is "sixty-eight million, three hundred six thousand, six hundred eighty-three".