67944448 has 120 divisors (see below), whose sum is σ = 165145680. Its totient is φ = 27525120.

The previous prime is 67944439. The next prime is 67944473. The reversal of 67944448 is 84444976.

It is a junction number, because it is equal to n+sod(n) for n = 67944398 and 67944407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2342898 + ... + 2342926.

It is an arithmetic number, because the mean of its divisors is an integer number (1376214).

Almost surely, 2^67944448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67944448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82572840).

67944448 is an abundant number, since it is smaller than the sum of its proper divisors (97201232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67944448 is a wasteful number, since it uses less digits than its factorization.

67944448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 55 counting only the distinct ones).

The product of its digits is 774144, while the sum is 46.

The square root of 67944448 is about 8242.8422282608. The cubic root of 67944448 is about 408.0543308399.

The spelling of 67944448 in words is "sixty-seven million, nine hundred forty-four thousand, four hundred forty-eight".