68319328 has 144 divisors (see below), whose sum is σ = 181503504. Its totient is φ = 24944640.

The previous prime is 68319323. The next prime is 68319343. The reversal of 68319328 is 82391386.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68319323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 293100 + ... + 293332.

It is an arithmetic number, because the mean of its divisors is an integer number (1260441).

Almost surely, 2^68319328 is an apocalyptic number.

68319328 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68319328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90751752).

68319328 is an abundant number, since it is smaller than the sum of its proper divisors (113184176).

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

68319328 is a wasteful number, since it uses less digits than its factorization.

68319328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 270 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 68319328 is about 8265.5506773596. The cubic root of 68319328 is about 408.8034277563.

The spelling of 68319328 in words is "sixty-eight million, three hundred nineteen thousand, three hundred twenty-eight".