67995680 has 48 divisors (see below), whose sum is σ = 169102080. Its totient is φ = 25765632.

The previous prime is 67995643. The next prime is 67995701. The reversal of 67995680 is 8659976.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8144 + ... + 14223.

It is an arithmetic number, because the mean of its divisors is an integer number (3522960).

Almost surely, 2^67995680 is an apocalyptic number.

It is an amenable number.

67995680 is an abundant number, since it is smaller than the sum of its proper divisors (101106400).

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

67995680 is a wasteful number, since it uses less digits than its factorization.

67995680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22401 (or 22393 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 50.

The square root of 67995680 is about 8245.9493086000. The cubic root of 67995680 is about 408.1568665038.

The spelling of 67995680 in words is "sixty-seven million, nine hundred ninety-five thousand, six hundred eighty".