68404711 has 2 divisors, whose sum is σ = 68404712. Its totient is φ = 68404710.

The previous prime is 68404681. The next prime is 68404733. The reversal of 68404711 is 11740486.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68404711 - 2²¹ = 66307559 is a prime.

It is equal to p_4029727 and since 68404711 and 4029727 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68404741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34202355 + 34202356.

It is an arithmetic number, because the mean of its divisors is an integer number (34202356).

Almost surely, 2^68404711 is an apocalyptic number.

68404711 is a deficient number, since it is larger than the sum of its proper divisors (1).

68404711 is an equidigital number, since it uses as much as digits as its factorization.

68404711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 68404711 is about 8270.7140562348. The cubic root of 68404711 is about 408.9736593889.

The spelling of 68404711 in words is "sixty-eight million, four hundred four thousand, seven hundred eleven".