68188844 has 6 divisors (see below), whose sum is σ = 119330484. Its totient is φ = 34094420.

The previous prime is 68188829. The next prime is 68188877. The reversal of 68188844 is 44888186.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8523602 + ... + 8523609.

It is an arithmetic number, because the mean of its divisors is an integer number (19888414).

Almost surely, 2^68188844 is an apocalyptic number.

It is an amenable number.

68188844 is a deficient number, since it is larger than the sum of its proper divisors (51141640).

68188844 is a wasteful number, since it uses less digits than its factorization.

68188844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17047215 (or 17047213 counting only the distinct ones).

The product of its digits is 393216, while the sum is 47.

The square root of 68188844 is about 8257.6536619066. The cubic root of 68188844 is about 408.5430021743.

The spelling of 68188844 in words is "sixty-eight million, one hundred eighty-eight thousand, eight hundred forty-four".