68322056 has 32 divisors (see below), whose sum is σ = 141151680. Its totient is φ = 30744000.

The previous prime is 68322053. The next prime is 68322061. The reversal of 68322056 is 65022386.

It is not an unprimeable number, because it can be changed into a prime (68322053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5045 + ... + 12731.

It is an arithmetic number, because the mean of its divisors is an integer number (4410990).

Almost surely, 2^68322056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68322056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70575840).

68322056 is an abundant number, since it is smaller than the sum of its proper divisors (72829624).

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

68322056 is a wasteful number, since it uses less digits than its factorization.

68322056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7805 (or 7801 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 68322056 is about 8265.7156979901. The cubic root of 68322056 is about 408.8088688760.

It can be divided in two parts, 6832 and 2056, that added together give a palindrome (8888).

The spelling of 68322056 in words is "sixty-eight million, three hundred twenty-two thousand, fifty-six".