68875444 has 12 divisors (see below), whose sum is σ = 131489568. Its totient is φ = 31307000.

The previous prime is 68875423. The next prime is 68875447. The reversal of 68875444 is 44457886.

It is a junction number, because it is equal to n+sod(n) for n = 68875394 and 68875403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68875447) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 782632 + ... + 782719.

It is an arithmetic number, because the mean of its divisors is an integer number (10957464).

Almost surely, 2^68875444 is an apocalyptic number.

It is an amenable number.

68875444 is a deficient number, since it is larger than the sum of its proper divisors (62614124).

68875444 is a wasteful number, since it uses less digits than its factorization.

68875444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565366 (or 1565364 counting only the distinct ones).

The product of its digits is 860160, while the sum is 46.

The square root of 68875444 is about 8299.1230862062. The cubic root of 68875444 is about 409.9096449712.

The spelling of 68875444 in words is "sixty-eight million, eight hundred seventy-five thousand, four hundred forty-four".