67020648 has 32 divisors (see below), whose sum is σ = 168838560. Its totient is φ = 22168640.

The previous prime is 67020623. The next prime is 67020661. The reversal of 67020648 is 84602076.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7515 + ... + 13802.

It is an arithmetic number, because the mean of its divisors is an integer number (5276205).

Almost surely, 2^67020648 is an apocalyptic number.

It is an amenable number.

67020648 is an abundant number, since it is smaller than the sum of its proper divisors (101817912).

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

67020648 is a wasteful number, since it uses less digits than its factorization.

67020648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21457 (or 21453 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 67020648 is about 8186.6139520561. The cubic root of 67020648 is about 406.1965285678.

The spelling of 67020648 in words is "sixty-seven million, twenty thousand, six hundred forty-eight".