67753328768 has 32 divisors (see below), whose sum is σ = 142081410000. Its totient is φ = 32093680896.

The previous prime is 67753328683. The next prime is 67753328779. The reversal of 67753328768 is 86782335776.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 67753328768.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13927118 + ... + 13931981.

Almost surely, 2^67753328768 is an apocalyptic number.

It is an amenable number.

67753328768 is an abundant number, since it is smaller than the sum of its proper divisors (74328081232).

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

67753328768 is a wasteful number, since it uses less digits than its factorization.

67753328768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27859132 (or 27859120 counting only the distinct ones).

The product of its digits is 71124480, while the sum is 62.

The spelling of 67753328768 in words is "sixty-seven billion, seven hundred fifty-three million, three hundred twenty-eight thousand, seven hundred sixty-eight".