68338306 has 8 divisors (see below), whose sum is σ = 104441724. Its totient is φ = 33524400.

The previous prime is 68338301. The next prime is 68338321. The reversal of 68338306 is 60383386.

It can be written as a sum of positive squares in 2 ways, for example, as 67387681 + 950625 = 8209^2 + 975^2 .

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

It is not an unprimeable number, because it can be changed into a prime (68338301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322245 + ... + 322456.

Almost surely, 2^68338306 is an apocalyptic number.

68338306 is a deficient number, since it is larger than the sum of its proper divisors (36103418).

68338306 is a wasteful number, since it uses less digits than its factorization.

68338306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644756.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 68338306 is about 8266.6986155297. The cubic root of 68338306 is about 408.8412772367.

It can be divided in two parts, 68338 and 306, that added together give a square (68644 = 262²).

The spelling of 68338306 in words is "sixty-eight million, three hundred thirty-eight thousand, three hundred six".