68000028 has 24 divisors (see below), whose sum is σ = 162357888. Its totient is φ = 22139376.

The previous prime is 68000021. The next prime is 68000039. The reversal of 68000028 is 82000086.

It is a junction number, because it is equal to n+sod(n) for n = 67999971 and 68000007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68000021) by changing a digit.

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, 65376 + ... + 66407.

It is an arithmetic number, because the mean of its divisors is an integer number (6764912).

Almost surely, 2^68000028 is an apocalyptic number.

It is an amenable number.

68000028 is an abundant number, since it is smaller than the sum of its proper divisors (94357860).

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

68000028 is a wasteful number, since it uses less digits than its factorization.

68000028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131833 (or 131831 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 68000028 is about 8246.2129489845. The cubic root of 68000028 is about 408.1655662144.

The spelling of 68000028 in words is "sixty-eight million, twenty-eight", and thus it is an aban number and an uban number.