68349388 has 6 divisors (see below), whose sum is σ = 119611436. Its totient is φ = 34174692.

The previous prime is 68349373. The next prime is 68349443. The reversal of 68349388 is 88394386.

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, 8543670 + ... + 8543677.

Almost surely, 2^68349388 is an apocalyptic number.

It is an amenable number.

68349388 is a deficient number, since it is larger than the sum of its proper divisors (51262048).

68349388 is a wasteful number, since it uses less digits than its factorization.

68349388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17087351 (or 17087349 counting only the distinct ones).

The product of its digits is 995328, while the sum is 49.

The square root of 68349388 is about 8267.3688680257. The cubic root of 68349388 is about 408.8633757951.

The spelling of 68349388 in words is "sixty-eight million, three hundred forty-nine thousand, three hundred eighty-eight".