68834186 has 4 divisors (see below), whose sum is σ = 103251282. Its totient is φ = 34417092.

The previous prime is 68834177. The next prime is 68834191. The reversal of 68834186 is 68143886.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 54538225 + 14295961 = 7385^2 + 3781^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17208545 + ... + 17208548.

Almost surely, 2^68834186 is an apocalyptic number.

68834186 is a deficient number, since it is larger than the sum of its proper divisors (34417096).

68834186 is a wasteful number, since it uses less digits than its factorization.

68834186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34417095.

The product of its digits is 221184, while the sum is 44.

The square root of 68834186 is about 8296.6370295440. The cubic root of 68834186 is about 409.8277801382.

The spelling of 68834186 in words is "sixty-eight million, eight hundred thirty-four thousand, one hundred eighty-six".