67966648 has 32 divisors (see below), whose sum is σ = 135090000. Its totient is φ = 31968000.

The previous prime is 67966631. The next prime is 67966649. The reversal of 67966648 is 84666976.

It is a junction number, because it is equal to n+sod(n) for n = 67966595 and 67966604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67966649) 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 7 ways as a sum of consecutive naturals, for example, 21148 + ... + 24148.

Almost surely, 2^67966648 is an apocalyptic number.

It is an amenable number.

67966648 is a deficient number, since it is larger than the sum of its proper divisors (67123352).

67966648 is a wasteful number, since it uses less digits than its factorization.

67966648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3175 (or 3171 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 52.

The square root of 67966648 is about 8244.1887411679. The cubic root of 67966648 is about 408.0987682196.

The spelling of 67966648 in words is "sixty-seven million, nine hundred sixty-six thousand, six hundred forty-eight".