68922686 has 16 divisors (see below), whose sum is σ = 118909536. Its totient is φ = 29349216.

The previous prime is 68922661. The next prime is 68922691. The reversal of 68922686 is 68622986.

It is a self number, because there is not a number n which added to its sum of digits gives 68922686.

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, 13481 + ... + 17876.

It is an arithmetic number, because the mean of its divisors is an integer number (7431846).

Almost surely, 2^68922686 is an apocalyptic number.

68922686 is a deficient number, since it is larger than the sum of its proper divisors (49986850).

68922686 is a wasteful number, since it uses less digits than its factorization.

68922686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31523.

The product of its digits is 497664, while the sum is 47.

The square root of 68922686 is about 8301.9688026395. The cubic root of 68922686 is about 410.0033432208.

The spelling of 68922686 in words is "sixty-eight million, nine hundred twenty-two thousand, six hundred eighty-six".