68351884 has 6 divisors (see below), whose sum is σ = 119615804. Its totient is φ = 34175940.

The previous prime is 68351867. The next prime is 68351893. The reversal of 68351884 is 48815386.

It is a self number, because there is not a number n which added to its sum of digits gives 68351884.

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 as a sum of consecutive naturals, namely, 8543982 + ... + 8543989.

Almost surely, 2^68351884 is an apocalyptic number.

It is an amenable number.

68351884 is a deficient number, since it is larger than the sum of its proper divisors (51263920).

68351884 is a wasteful number, since it uses less digits than its factorization.

68351884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17087975 (or 17087973 counting only the distinct ones).

The product of its digits is 184320, while the sum is 43.

The square root of 68351884 is about 8267.5198215668. The cubic root of 68351884 is about 408.8683527261.

The spelling of 68351884 in words is "sixty-eight million, three hundred fifty-one thousand, eight hundred eighty-four".