672268688 has 80 divisors (see below), whose sum is σ = 1646561280. Its totient is φ = 258743808.

The previous prime is 672268673. The next prime is 672268693. The reversal of 672268688 is 886862276.

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 15 ways as a sum of consecutive naturals, for example, 47633 + ... + 60111.

It is an arithmetic number, because the mean of its divisors is an integer number (20582016).

Almost surely, 2^672268688 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 672268688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (823280640).

672268688 is an abundant number, since it is smaller than the sum of its proper divisors (974292592).

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

672268688 is a wasteful number, since it uses less digits than its factorization.

672268688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12544 (or 12538 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 53.

The square root of 672268688 is about 25928.1447080195. The cubic root of 672268688 is about 876.0205509381.

The spelling of 672268688 in words is "six hundred seventy-two million, two hundred sixty-eight thousand, six hundred eighty-eight".