68283328 has 56 divisors (see below), whose sum is σ = 141492224. Its totient is φ = 32659200.

The previous prime is 68283317. The next prime is 68283331. The reversal of 68283328 is 82338286.

It is a super-2 number, since 2×68283328² = 9325225765511168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251833 + ... + 252103.

Almost surely, 2^68283328 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 68283328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70746112).

68283328 is an abundant number, since it is smaller than the sum of its proper divisors (73208896).

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

68283328 is a wasteful number, since it uses less digits than its factorization.

68283328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441 (or 431 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The square root of 68283328 is about 8263.3726770611. The cubic root of 68283328 is about 408.7316105534.

The spelling of 68283328 in words is "sixty-eight million, two hundred eighty-three thousand, three hundred twenty-eight".