68312328 has 64 divisors (see below), whose sum is σ = 196560000. Its totient is φ = 19379712.

The previous prime is 68312317. The next prime is 68312357. The reversal of 68312328 is 82321386.

It is a super-3 number, since 3×68312328³ (a number of 24 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23668 + ... + 26396.

It is an arithmetic number, because the mean of its divisors is an integer number (3071250).

Almost surely, 2^68312328 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 68312328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98280000).

68312328 is an abundant number, since it is smaller than the sum of its proper divisors (128247672).

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

68312328 is a wasteful number, since it uses less digits than its factorization.

68312328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2894 (or 2890 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 68312328 is about 8265.1272222513. The cubic root of 68312328 is about 408.7894652764.

The spelling of 68312328 in words is "sixty-eight million, three hundred twelve thousand, three hundred twenty-eight".