68843185 has 8 divisors (see below), whose sum is σ = 83215656. Its totient is φ = 54672000.

The previous prime is 68843179. The next prime is 68843227. The reversal of 68843185 is 58134886.

It can be written as a sum of positive squares in 4 ways, for example, as 2143296 + 66699889 = 1464^2 + 8167^2 .

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

It is not a de Polignac number, because 68843185 - 2⁵ = 68843153 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 49566 + ... + 50935.

It is an arithmetic number, because the mean of its divisors is an integer number (10401957).

Almost surely, 2^68843185 is an apocalyptic number.

It is an amenable number.

68843185 is a deficient number, since it is larger than the sum of its proper divisors (14372471).

68843185 is a wasteful number, since it uses less digits than its factorization.

68843185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100643.

The product of its digits is 184320, while the sum is 43.

The square root of 68843185 is about 8297.1793399926. The cubic root of 68843185 is about 409.8456388976.

The spelling of 68843185 in words is "sixty-eight million, eight hundred forty-three thousand, one hundred eighty-five".