6724880 has 20 divisors (see below), whose sum is σ = 15635532. Its totient is φ = 2689920.

The previous prime is 6724873. The next prime is 6724889. The reversal of 6724880 is 884276.

It can be written as a sum of positive squares in 2 ways, for example, as 984064 + 5740816 = 992^2 + 2396^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×6724880² = 90448022028800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6724880.

It is not an unprimeable number, because it can be changed into a prime (6724889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41951 + ... + 42110.

Almost surely, 2^6724880 is an apocalyptic number.

It is an amenable number.

6724880 is an abundant number, since it is smaller than the sum of its proper divisors (8910652).

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

6724880 is a wasteful number, since it uses less digits than its factorization.

6724880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84074 (or 84068 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 6724880 is about 2593.2373589782. The cubic root of 6724880 is about 188.7534274190.

The spelling of 6724880 in words is "six million, seven hundred twenty-four thousand, eight hundred eighty".