68393814 has 16 divisors (see below), whose sum is σ = 136888752. Its totient is φ = 22781088.

The previous prime is 68393807. The next prime is 68393887. The reversal of 68393814 is 41839386.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6792 + ... + 13524.

It is an arithmetic number, because the mean of its divisors is an integer number (8555547).

Almost surely, 2^68393814 is an apocalyptic number.

68393814 is an abundant number, since it is smaller than the sum of its proper divisors (68494938).

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

68393814 is a wasteful number, since it uses less digits than its factorization.

68393814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8431.

The product of its digits is 124416, while the sum is 42.

The square root of 68393814 is about 8270.0552597912. The cubic root of 68393814 is about 408.9519414761.

The spelling of 68393814 in words is "sixty-eight million, three hundred ninety-three thousand, eight hundred fourteen".