68930345 has 8 divisors (see below), whose sum is σ = 90236160. Its totient is φ = 50131120.

The previous prime is 68930311. The next prime is 68930353. The reversal of 68930345 is 54303986.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68930345 - 2²² = 64736041 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 68930299 and 68930308.

It is an unprimeable number.

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, 626585 + ... + 626694.

It is an arithmetic number, because the mean of its divisors is an integer number (11279520).

Almost surely, 2^68930345 is an apocalyptic number.

It is an amenable number.

68930345 is a deficient number, since it is larger than the sum of its proper divisors (21305815).

68930345 is a wasteful number, since it uses less digits than its factorization.

68930345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253295.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 68930345 is about 8302.4300659506. The cubic root of 68930345 is about 410.0185297991.

The spelling of 68930345 in words is "sixty-eight million, nine hundred thirty thousand, three hundred forty-five".