68207329 has 2 divisors, whose sum is σ = 68207330. Its totient is φ = 68207328.

The previous prime is 68207327. The next prime is 68207339. The reversal of 68207329 is 92370286.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49674304 + 18533025 = 7048^2 + 4305^2 .

It is a cyclic number.

It is not a de Polignac number, because 68207329 - 2¹ = 68207327 is a prime.

Together with 68207327, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (68207327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34103664 + 34103665.

It is an arithmetic number, because the mean of its divisors is an integer number (34103665).

Almost surely, 2^68207329 is an apocalyptic number.

It is an amenable number.

68207329 is a deficient number, since it is larger than the sum of its proper divisors (1).

68207329 is an equidigital number, since it uses as much as digits as its factorization.

68207329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 68207329 is about 8258.7728507327. The cubic root of 68207329 is about 408.5799155199.

The spelling of 68207329 in words is "sixty-eight million, two hundred seven thousand, three hundred twenty-nine".