68881448 has 16 divisors (see below), whose sum is σ = 129249780. Its totient is φ = 34414848.

The previous prime is 68881447. The next prime is 68881453. The reversal of 68881448 is 84418886.

It can be written as a sum of positive squares in 2 ways, for example, as 48972004 + 19909444 = 6998^2 + 4462^2 .

It is not an unprimeable number, because it can be changed into a prime (68881447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12686 + ... + 17282.

Almost surely, 2^68881448 is an apocalyptic number.

It is an amenable number.

68881448 is a deficient number, since it is larger than the sum of its proper divisors (60368332).

68881448 is a wasteful number, since it uses less digits than its factorization.

68881448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6476 (or 6472 counting only the distinct ones).

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

The square root of 68881448 is about 8299.4848032875. The cubic root of 68881448 is about 409.9215554861.

The spelling of 68881448 in words is "sixty-eight million, eight hundred eighty-one thousand, four hundred forty-eight".