68178234 has 16 divisors (see below), whose sum is σ = 136441440. Its totient is φ = 22711920.

The previous prime is 68178223. The next prime is 68178241. The reversal of 68178234 is 43287186.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 68178192 and 68178201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12444 + ... + 17064.

It is an arithmetic number, because the mean of its divisors is an integer number (8527590).

Almost surely, 2^68178234 is an apocalyptic number.

68178234 is an abundant number, since it is smaller than the sum of its proper divisors (68263206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68178234 is a wasteful number, since it uses less digits than its factorization.

68178234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7085.

The product of its digits is 64512, while the sum is 39.

The square root of 68178234 is about 8257.0112026084. The cubic root of 68178234 is about 408.5218116792.

It can be divided in two parts, 6817 and 8234, that added together give a palindrome (15051).

The spelling of 68178234 in words is "sixty-eight million, one hundred seventy-eight thousand, two hundred thirty-four".