68417817 has 8 divisors (see below), whose sum is σ = 98241024. Its totient is φ = 42103248.

The previous prime is 68417779. The next prime is 68417827. The reversal of 68417817 is 71871486.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68417817 - 2¹⁶ = 68352281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68417827) 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 in 7 ways as a sum of consecutive naturals, for example, 877113 + ... + 877190.

It is an arithmetic number, because the mean of its divisors is an integer number (12280128).

Almost surely, 2^68417817 is an apocalyptic number.

It is an amenable number.

68417817 is a deficient number, since it is larger than the sum of its proper divisors (29823207).

68417817 is a wasteful number, since it uses less digits than its factorization.

68417817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754319.

The product of its digits is 75264, while the sum is 42.

The square root of 68417817 is about 8271.5063319809. The cubic root of 68417817 is about 408.9997768225. Note that the first 3 decimals are identical.

The spelling of 68417817 in words is "sixty-eight million, four hundred seventeen thousand, eight hundred seventeen".