68823564 has 24 divisors (see below), whose sum is σ = 164324160. Its totient is φ = 22407504.

The previous prime is 68823563. The next prime is 68823593. The reversal of 68823564 is 46532886.

It is not an unprimeable number, because it can be changed into a prime (68823563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66174 + ... + 67205.

It is an arithmetic number, because the mean of its divisors is an integer number (6846840).

Almost surely, 2^68823564 is an apocalyptic number.

It is an amenable number.

68823564 is an abundant number, since it is smaller than the sum of its proper divisors (95500596).

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

68823564 is a wasteful number, since it uses less digits than its factorization.

68823564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133429 (or 133427 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The square root of 68823564 is about 8295.9968659589. The cubic root of 68823564 is about 409.8066984884.

The spelling of 68823564 in words is "sixty-eight million, eight hundred twenty-three thousand, five hundred sixty-four".