68368682 has 8 divisors (see below), whose sum is σ = 102952836. Its totient is φ = 34051072.

The previous prime is 68368681. The next prime is 68368757. The reversal of 68368682 is 28686386.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 60855601 + 7513081 = 7801^2 + 2741^2 .

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 (68368681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65993 + ... + 67020.

Almost surely, 2^68368682 is an apocalyptic number.

68368682 is a deficient number, since it is larger than the sum of its proper divisors (34584154).

68368682 is a wasteful number, since it uses less digits than its factorization.

68368682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133272.

The product of its digits is 663552, while the sum is 47.

The square root of 68368682 is about 8268.5356623770. The cubic root of 68368682 is about 408.9018441611.

The spelling of 68368682 in words is "sixty-eight million, three hundred sixty-eight thousand, six hundred eighty-two".