68312286 has 48 divisors (see below), whose sum is σ = 173737824. Its totient is φ = 18988992.

The previous prime is 68312269. The next prime is 68312287. The reversal of 68312286 is 68221386.

68312286 is a `hidden beast` number, since 68 + 312 + 286 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 68312286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68312287) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2665 + ... + 11988.

It is an arithmetic number, because the mean of its divisors is an integer number (3619538).

Almost surely, 2^68312286 is an apocalyptic number.

68312286 is an abundant number, since it is smaller than the sum of its proper divisors (105425538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68312286 is a wasteful number, since it uses less digits than its factorization.

68312286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14705 (or 14702 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 68312286 is about 8265.1246814552. The cubic root of 68312286 is about 408.7893814987.

It can be divided in two parts, 6831 and 2286, that multiplied together give a triangular number (15615666 = T₅₅₈₈).

The spelling of 68312286 in words is "sixty-eight million, three hundred twelve thousand, two hundred eighty-six".