68449876 has 12 divisors (see below), whose sum is σ = 130677120. Its totient is φ = 31113560.

The previous prime is 68449867. The next prime is 68449879. The reversal of 68449876 is 67894486.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68449879) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 777796 + ... + 777883.

It is an arithmetic number, because the mean of its divisors is an integer number (10889760).

Almost surely, 2^68449876 is an apocalyptic number.

It is an amenable number.

68449876 is a deficient number, since it is larger than the sum of its proper divisors (62227244).

68449876 is a wasteful number, since it uses less digits than its factorization.

68449876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555694 (or 1555692 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 52.

The square root of 68449876 is about 8273.4440228964. Note that the first 3 decimals coincide. The cubic root of 68449876 is about 409.0636494459.

It can be divided in two parts, 68 and 449876, that added together give a palindrome (449944).

The spelling of 68449876 in words is "sixty-eight million, four hundred forty-nine thousand, eight hundred seventy-six".