68193308 has 12 divisors (see below), whose sum is σ = 119536032. Its totient is φ = 34040160.

The previous prime is 68193289. The next prime is 68193311. The reversal of 68193308 is 80339186.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11348 + ... + 16283.

It is an arithmetic number, because the mean of its divisors is an integer number (9961336).

Almost surely, 2^68193308 is an apocalyptic number.

It is an amenable number.

68193308 is a deficient number, since it is larger than the sum of its proper divisors (51342724).

68193308 is a wasteful number, since it uses less digits than its factorization.

68193308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28252 (or 28250 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 68193308 is about 8257.9239521807. The cubic root of 68193308 is about 408.5519171036.

The spelling of 68193308 in words is "sixty-eight million, one hundred ninety-three thousand, three hundred eight".