68775706 has 8 divisors (see below), whose sum is σ = 108593280. Its totient is φ = 32577948.

The previous prime is 68775697. The next prime is 68775713. The reversal of 68775706 is 60757786.

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

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 3 ways as a sum of consecutive naturals, for example, 904906 + ... + 904981.

It is an arithmetic number, because the mean of its divisors is an integer number (13574160).

Almost surely, 2^68775706 is an apocalyptic number.

68775706 is a deficient number, since it is larger than the sum of its proper divisors (39817574).

68775706 is a wasteful number, since it uses less digits than its factorization.

68775706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809908.

The product of its (nonzero) digits is 493920, while the sum is 46.

The square root of 68775706 is about 8293.1119611398. Note that the first 3 decimals coincide. The cubic root of 68775706 is about 409.7116870534.

The spelling of 68775706 in words is "sixty-eight million, seven hundred seventy-five thousand, seven hundred six".