68286336 has 64 divisors (see below), whose sum is σ = 183763200. Its totient is φ = 22464000.

The previous prime is 68286319. The next prime is 68286343. The reversal of 68286336 is 63368286.

It is a tau number, because it is divible by the number of its divisors (64).

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

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, 29211 + ... + 31461.

It is an arithmetic number, because the mean of its divisors is an integer number (2871300).

Almost surely, 2^68286336 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 68286336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91881600).

68286336 is an abundant number, since it is smaller than the sum of its proper divisors (115476864).

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

68286336 is a wasteful number, since it uses less digits than its factorization.

68286336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347 (or 2335 counting only the distinct ones).

The product of its digits is 248832, while the sum is 42.

The square root of 68286336 is about 8263.5546830647. The cubic root of 68286336 is about 408.7376122460.

The spelling of 68286336 in words is "sixty-eight million, two hundred eighty-six thousand, three hundred thirty-six".