68120192 has 48 divisors (see below), whose sum is σ = 157879170. Its totient is φ = 29191680.

The previous prime is 68120191. The next prime is 68120209. The reversal of 68120192 is 29102186.

It can be written as a sum of positive squares in only one way, i.e., 60590656 + 7529536 = 7784^2 + 2744^2 .

It is not an unprimeable number, because it can be changed into a prime (68120191) 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 5 ways as a sum of consecutive naturals, for example, 842 + ... + 11702.

Almost surely, 2^68120192 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 68120192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78939585).

68120192 is an abundant number, since it is smaller than the sum of its proper divisors (89758978).

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

68120192 is a wasteful number, since it uses less digits than its factorization.

68120192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10889 (or 10870 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 68120192 is about 8253.4957442286. The cubic root of 68120192 is about 408.4058501594.

The spelling of 68120192 in words is "sixty-eight million, one hundred twenty thousand, one hundred ninety-two".