68299207 has 2 divisors, whose sum is σ = 68299208. Its totient is φ = 68299206.

The previous prime is 68299193. The next prime is 68299237. The reversal of 68299207 is 70299286.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68299207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68299237) 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, 34149603 + 34149604.

It is an arithmetic number, because the mean of its divisors is an integer number (34149604).

Almost surely, 2^68299207 is an apocalyptic number.

68299207 is a deficient number, since it is larger than the sum of its proper divisors (1).

68299207 is an equidigital number, since it uses as much as digits as its factorization.

68299207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 68299207 is about 8264.3334274459. Note that the first 3 decimals coincide. The cubic root of 68299207 is about 408.7632910354.

The spelling of 68299207 in words is "sixty-eight million, two hundred ninety-nine thousand, two hundred seven".