68311814 has 8 divisors (see below), whose sum is σ = 108495288. Its totient is φ = 32146720.

The previous prime is 68311787. The next prime is 68311819. The reversal of 68311814 is 41811386.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68311819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1004552 + ... + 1004619.

It is an arithmetic number, because the mean of its divisors is an integer number (13561911).

Almost surely, 2^68311814 is an apocalyptic number.

68311814 is a deficient number, since it is larger than the sum of its proper divisors (40183474).

68311814 is a wasteful number, since it uses less digits than its factorization.

68311814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009190.

The product of its digits is 4608, while the sum is 32.

The square root of 68311814 is about 8265.0961276926. The cubic root of 68311814 is about 408.7884399939.

The spelling of 68311814 in words is "sixty-eight million, three hundred eleven thousand, eight hundred fourteen".