68140814 has 16 divisors (see below), whose sum is σ = 117235296. Its totient is φ = 29097600.

The previous prime is 68140801. The next prime is 68140817. The reversal of 68140814 is 41804186.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68140817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4727 + ... + 12594.

It is an arithmetic number, because the mean of its divisors is an integer number (7327206).

Almost surely, 2^68140814 is an apocalyptic number.

68140814 is a deficient number, since it is larger than the sum of its proper divisors (49094482).

68140814 is a wasteful number, since it uses less digits than its factorization.

68140814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17611.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 68140814 is about 8254.7449385187. The cubic root of 68140814 is about 408.4470581843.

It can be divided in two parts, 6 and 8140814, that multiplied together give a palindrome (48844884).

The spelling of 68140814 in words is "sixty-eight million, one hundred forty thousand, eight hundred fourteen".