68968368 has 80 divisors (see below), whose sum is σ = 226255360. Its totient is φ = 19704384.

The previous prime is 68968363. The next prime is 68968379. The reversal of 68968368 is 86386986.

It is a Harshad number since it is a multiple of its sum of digits (54).

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

It is not an unprimeable number, because it can be changed into a prime (68968363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8380 + ... + 14427.

It is an arithmetic number, because the mean of its divisors is an integer number (2828192).

Almost surely, 2^68968368 is an apocalyptic number.

It is an amenable number.

68968368 is an abundant number, since it is smaller than the sum of its proper divisors (157286992).

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

68968368 is a wasteful number, since it uses less digits than its factorization.

68968368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22831 (or 22819 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The square root of 68968368 is about 8304.7196219981. The cubic root of 68968368 is about 410.0939067072.

The spelling of 68968368 in words is "sixty-eight million, nine hundred sixty-eight thousand, three hundred sixty-eight".