67056648 has 32 divisors (see below), whose sum is σ = 171732960. Its totient is φ = 21806720.

The previous prime is 67056637. The next prime is 67056659. The reversal of 67056648 is 84665076.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (67056637) and next prime (67056659).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33090 + ... + 35057.

It is an arithmetic number, because the mean of its divisors is an integer number (5366655).

Almost surely, 2^67056648 is an apocalyptic number.

It is an amenable number.

67056648 is an abundant number, since it is smaller than the sum of its proper divisors (104676312).

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

67056648 is a wasteful number, since it uses less digits than its factorization.

67056648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68197 (or 68193 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 67056648 is about 8188.8123681032. The cubic root of 67056648 is about 406.2692447530.

The spelling of 67056648 in words is "sixty-seven million, fifty-six thousand, six hundred forty-eight".