68628286 has 16 divisors (see below), whose sum is σ = 109478304. Its totient is φ = 32153344.

The previous prime is 68628271. The next prime is 68628347. The reversal of 68628286 is 68282686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3591 + ... + 12253.

It is an arithmetic number, because the mean of its divisors is an integer number (6842394).

Almost surely, 2^68628286 is an apocalyptic number.

68628286 is a deficient number, since it is larger than the sum of its proper divisors (40850018).

68628286 is a wasteful number, since it uses less digits than its factorization.

68628286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8915.

The product of its digits is 442368, while the sum is 46.

The square root of 68628286 is about 8284.2190941573. The cubic root of 68628286 is about 409.4187400848.

The spelling of 68628286 in words is "sixty-eight million, six hundred twenty-eight thousand, two hundred eighty-six".