68408296 has 32 divisors (see below), whose sum is σ = 141050880. Its totient is φ = 30844800.

The previous prime is 68408281. The next prime is 68408297. The reversal of 68408296 is 69280486.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (68408297) 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 7 ways as a sum of consecutive naturals, for example, 8116 + ... + 14236.

It is an arithmetic number, because the mean of its divisors is an integer number (4407840).

Almost surely, 2^68408296 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 68408296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70525440).

68408296 is an abundant number, since it is smaller than the sum of its proper divisors (72642584).

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

68408296 is a wasteful number, since it uses less digits than its factorization.

68408296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6265 (or 6261 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 68408296 is about 8270.9307819616. The cubic root of 68408296 is about 408.9808038527.

The spelling of 68408296 in words is "sixty-eight million, four hundred eight thousand, two hundred ninety-six".