68718814 has 4 divisors (see below), whose sum is σ = 103078224. Its totient is φ = 34359406.

The previous prime is 68718809. The next prime is 68718821. The reversal of 68718814 is 41881786.

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

It is a congruent number.

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, 17179702 + ... + 17179705.

It is an arithmetic number, because the mean of its divisors is an integer number (25769556).

Almost surely, 2^68718814 is an apocalyptic number.

68718814 is a deficient number, since it is larger than the sum of its proper divisors (34359410).

68718814 is a wasteful number, since it uses less digits than its factorization.

68718814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34359409.

The product of its digits is 86016, while the sum is 43.

The square root of 68718814 is about 8289.6811760164. The cubic root of 68718814 is about 409.5986832576.

The spelling of 68718814 in words is "sixty-eight million, seven hundred eighteen thousand, eight hundred fourteen".