68042866 has 8 divisors (see below), whose sum is σ = 102397680. Its totient is φ = 33910308.

The previous prime is 68042839. The next prime is 68042873. The reversal of 68042866 is 66824086.

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

It is a super-2 number, since 2×68042866² = 9259663226987912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54796 + ... + 56023.

It is an arithmetic number, because the mean of its divisors is an integer number (12799710).

Almost surely, 2^68042866 is an apocalyptic number.

68042866 is a deficient number, since it is larger than the sum of its proper divisors (34354814).

68042866 is a wasteful number, since it uses less digits than its factorization.

68042866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111128.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 68042866 is about 8248.8099747782. The cubic root of 68042866 is about 408.2512589543.

The spelling of 68042866 in words is "sixty-eight million, forty-two thousand, eight hundred sixty-six".