68517308 has 12 divisors (see below), whose sum is σ = 121142112. Its totient is φ = 33905280.

The previous prime is 68517283. The next prime is 68517311. The reversal of 68517308 is 80371586.

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, 87908 + ... + 88683.

It is an arithmetic number, because the mean of its divisors is an integer number (10095176).

Almost surely, 2^68517308 is an apocalyptic number.

It is an amenable number.

68517308 is a deficient number, since it is larger than the sum of its proper divisors (52624804).

68517308 is a wasteful number, since it uses less digits than its factorization.

68517308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176692 (or 176690 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 68517308 is about 8277.5182271016. The cubic root of 68517308 is about 409.1979322654.

The spelling of 68517308 in words is "sixty-eight million, five hundred seventeen thousand, three hundred eight".