68708683 has 2 divisors, whose sum is σ = 68708684. Its totient is φ = 68708682.

The previous prime is 68708663. The next prime is 68708699. The reversal of 68708683 is 38680786.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68708683 is a prime.

It is not a weakly prime, because it can be changed into another prime (68708603) 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, 34354341 + 34354342.

It is an arithmetic number, because the mean of its divisors is an integer number (34354342).

Almost surely, 2^68708683 is an apocalyptic number.

68708683 is a deficient number, since it is larger than the sum of its proper divisors (1).

68708683 is an equidigital number, since it uses as much as digits as its factorization.

68708683 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 68708683 is about 8289.0700925978. The cubic root of 68708683 is about 409.5785536504.

The spelling of 68708683 in words is "sixty-eight million, seven hundred eight thousand, six hundred eighty-three".