6728488 has 32 divisors (see below), whose sum is σ = 14031360. Its totient is φ = 3003840.

The previous prime is 6728467. The next prime is 6728503. The reversal of 6728488 is 8848276.

It is a super-2 number, since 2×6728488² = 90545101532288, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2181 + ... + 4267.

It is an arithmetic number, because the mean of its divisors is an integer number (438480).

Almost surely, 2^6728488 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 6728488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7015680).

6728488 is an abundant number, since it is smaller than the sum of its proper divisors (7302872).

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

6728488 is a wasteful number, since it uses less digits than its factorization.

6728488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137 (or 2133 counting only the distinct ones).

The product of its digits is 172032, while the sum is 43.

The square root of 6728488 is about 2593.9329212607. The cubic root of 6728488 is about 188.7871777417.

The spelling of 6728488 in words is "six million, seven hundred twenty-eight thousand, four hundred eighty-eight".