68034209 has 2 divisors, whose sum is σ = 68034210. Its totient is φ = 68034208.

The previous prime is 68034191. The next prime is 68034217. The reversal of 68034209 is 90243086.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35224225 + 32809984 = 5935^2 + 5728^2 .

It is a cyclic number.

It is not a de Polignac number, because 68034209 - 2¹⁶ = 67968673 is a prime.

It is not a weakly prime, because it can be changed into another prime (68034229) 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, 34017104 + 34017105.

It is an arithmetic number, because the mean of its divisors is an integer number (34017105).

Almost surely, 2^68034209 is an apocalyptic number.

It is an amenable number.

68034209 is a deficient number, since it is larger than the sum of its proper divisors (1).

68034209 is an equidigital number, since it uses as much as digits as its factorization.

68034209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 68034209 is about 8248.2852157282. The cubic root of 68034209 is about 408.2339444718.

The spelling of 68034209 in words is "sixty-eight million, thirty-four thousand, two hundred nine".