68865842 has 16 divisors (see below), whose sum is σ = 109758240. Its totient is φ = 32313888.

The previous prime is 68865821. The next prime is 68865851. The reversal of 68865842 is 24856886.

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, 4403 + ... + 12534.

It is an arithmetic number, because the mean of its divisors is an integer number (6859890).

Almost surely, 2^68865842 is an apocalyptic number.

68865842 is a deficient number, since it is larger than the sum of its proper divisors (40892398).

68865842 is a wasteful number, since it uses less digits than its factorization.

68865842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17065.

The product of its digits is 737280, while the sum is 47.

The square root of 68865842 is about 8298.5445711884. The cubic root of 68865842 is about 409.8905954372.

The spelling of 68865842 in words is "sixty-eight million, eight hundred sixty-five thousand, eight hundred forty-two".