68358336 has 56 divisors (see below), whose sum is σ = 187116720. Its totient is φ = 21998592.

The previous prime is 68358313. The next prime is 68358349. The reversal of 68358336 is 63385386.

It is an unprimeable number.

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, 571 + ... + 11706.

It is an arithmetic number, because the mean of its divisors is an integer number (3341370).

Almost surely, 2^68358336 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 68358336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93558360).

68358336 is an abundant number, since it is smaller than the sum of its proper divisors (118758384).

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

68358336 is a wasteful number, since it uses less digits than its factorization.

68358336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12321 (or 12311 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The square root of 68358336 is about 8267.9100140241. The cubic root of 68358336 is about 408.8812172124.

The spelling of 68358336 in words is "sixty-eight million, three hundred fifty-eight thousand, three hundred thirty-six".