68743417 has 2 divisors, whose sum is σ = 68743418. Its totient is φ = 68743416.

The previous prime is 68743403. The next prime is 68743421. The reversal of 68743417 is 71434786.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66520336 + 2223081 = 8156^2 + 1491^2 .

It is a cyclic number.

It is not a de Polignac number, because 68743417 - 2²³ = 60354809 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68743417.

It is not a weakly prime, because it can be changed into another prime (68743487) 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, 34371708 + 34371709.

It is an arithmetic number, because the mean of its divisors is an integer number (34371709).

Almost surely, 2^68743417 is an apocalyptic number.

It is an amenable number.

68743417 is a deficient number, since it is larger than the sum of its proper divisors (1).

68743417 is an equidigital number, since it uses as much as digits as its factorization.

68743417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 40.

The square root of 68743417 is about 8291.1649965490. The cubic root of 68743417 is about 409.6475595086.

The spelling of 68743417 in words is "sixty-eight million, seven hundred forty-three thousand, four hundred seventeen".