67673891328 has 160 divisors (see below), whose sum is σ = 183164794560. Its totient is φ = 22200729600.

The previous prime is 67673891317. The next prime is 67673891339. The reversal of 67673891328 is 82319837676.

It is an interprime number because it is at equal distance from previous prime (67673891317) and next prime (67673891339).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27768126 + ... + 27770562.

It is an arithmetic number, because the mean of its divisors is an integer number (1144779966).

Almost surely, 2^67673891328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67673891328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91582397280).

67673891328 is an abundant number, since it is smaller than the sum of its proper divisors (115490903232).

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

67673891328 is a wasteful number, since it uses less digits than its factorization.

67673891328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2738 (or 2722 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 60.

The spelling of 67673891328 in words is "sixty-seven billion, six hundred seventy-three million, eight hundred ninety-one thousand, three hundred twenty-eight".