68335417 has 2 divisors, whose sum is σ = 68335418. Its totient is φ = 68335416.

The previous prime is 68335409. The next prime is 68335429. The reversal of 68335417 is 71453386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52142841 + 16192576 = 7221^2 + 4024^2 .

It is a cyclic number.

It is not a de Polignac number, because 68335417 - 2³ = 68335409 is a prime.

It is not a weakly prime, because it can be changed into another prime (68335447) 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, 34167708 + 34167709.

It is an arithmetic number, because the mean of its divisors is an integer number (34167709).

Almost surely, 2^68335417 is an apocalyptic number.

It is an amenable number.

68335417 is a deficient number, since it is larger than the sum of its proper divisors (1).

68335417 is an equidigital number, since it uses as much as digits as its factorization.

68335417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The square root of 68335417 is about 8266.5238764550. The cubic root of 68335417 is about 408.8355159043.

It can be divided in two parts, 683 and 35417, that added together give a square (36100 = 190²).

The spelling of 68335417 in words is "sixty-eight million, three hundred thirty-five thousand, four hundred seventeen".