68036928 has 56 divisors (see below), whose sum is σ = 181721760. Its totient is φ = 22464000.

The previous prime is 68036923. The next prime is 68036977. The reversal of 68036928 is 82963086.

It is a self number, because there is not a number n which added to its sum of digits gives 68036928.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68036923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19303 + ... + 22553.

Almost surely, 2^68036928 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 68036928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90860880).

68036928 is an abundant number, since it is smaller than the sum of its proper divisors (113684832).

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

68036928 is a wasteful number, since it uses less digits than its factorization.

68036928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3375 (or 3365 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 68036928 is about 8248.4500362189. The cubic root of 68036928 is about 408.2393827816.

It can be divided in two parts, 6803 and 6928, that added together give a palindrome (13731).

The spelling of 68036928 in words is "sixty-eight million, thirty-six thousand, nine hundred twenty-eight".