68702911 has 2 divisors, whose sum is σ = 68702912. Its totient is φ = 68702910.

The previous prime is 68702873. The next prime is 68702947. The reversal of 68702911 is 11920786.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68702911 - 2⁹ = 68702399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68702951) 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, 34351455 + 34351456.

It is an arithmetic number, because the mean of its divisors is an integer number (34351456).

Almost surely, 2^68702911 is an apocalyptic number.

68702911 is a deficient number, since it is larger than the sum of its proper divisors (1).

68702911 is an equidigital number, since it uses as much as digits as its factorization.

68702911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 68702911 is about 8288.7219159530. The cubic root of 68702911 is about 409.5670841946.

The spelling of 68702911 in words is "sixty-eight million, seven hundred two thousand, nine hundred eleven".