672841713128 has 96 divisors (see below), whose sum is σ = 1372704667200. Its totient is φ = 309042100224.

The previous prime is 672841713127. The next prime is 672841713191. The reversal of 672841713128 is 821317148276.

It is not an unprimeable number, because it can be changed into a prime (672841713127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 308783543 + ... + 308785721.

It is an arithmetic number, because the mean of its divisors is an integer number (14299006950).

Almost surely, 2^672841713128 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 672841713128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (686352333600).

672841713128 is an abundant number, since it is smaller than the sum of its proper divisors (699862954072).

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

672841713128 is a wasteful number, since it uses less digits than its factorization.

672841713128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3211 (or 3194 counting only the distinct ones).

The product of its digits is 903168, while the sum is 50.

The spelling of 672841713128 in words is "six hundred seventy-two billion, eight hundred forty-one million, seven hundred thirteen thousand, one hundred twenty-eight".