68350805 has 8 divisors (see below), whose sum is σ = 83365944. Its totient is φ = 53784000.

The previous prime is 68350769. The next prime is 68350811. The reversal of 68350805 is 50805386.

It can be written as a sum of positive squares in 4 ways, for example, as 552049 + 67798756 = 743^2 + 8234^2 .

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

It is not a de Polignac number, because 68350805 - 2⁶ = 68350741 is a prime.

It is a Duffinian number.

It is a congruent 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, 111746 + ... + 112355.

It is an arithmetic number, because the mean of its divisors is an integer number (10420743).

Almost surely, 2^68350805 is an apocalyptic number.

It is an amenable number.

68350805 is a deficient number, since it is larger than the sum of its proper divisors (15015139).

68350805 is a wasteful number, since it uses less digits than its factorization.

68350805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224167.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 68350805 is about 8267.4545659471. The cubic root of 68350805 is about 408.8662012552.

The spelling of 68350805 in words is "sixty-eight million, three hundred fifty thousand, eight hundred five".