68834427 has 4 divisors (see below), whose sum is σ = 91779240. Its totient is φ = 45889616.

The previous prime is 68834419. The next prime is 68834453. The reversal of 68834427 is 72443886.

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

It is a cyclic number.

It is not a de Polignac number, because 68834427 - 2³ = 68834419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68834027) by changing a digit.

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, 11472402 + ... + 11472407.

It is an arithmetic number, because the mean of its divisors is an integer number (22944810).

Almost surely, 2^68834427 is an apocalyptic number.

68834427 is a deficient number, since it is larger than the sum of its proper divisors (22944813).

68834427 is a wasteful number, since it uses less digits than its factorization.

68834427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22944812.

The product of its digits is 258048, while the sum is 42.

The square root of 68834427 is about 8296.6515534883. The cubic root of 68834427 is about 409.8282584295.

The spelling of 68834427 in words is "sixty-eight million, eight hundred thirty-four thousand, four hundred twenty-seven".