6880725 has 36 divisors (see below), whose sum is σ = 12578436. Its totient is φ = 3594240.

The previous prime is 6880721. The next prime is 6880771. The reversal of 6880725 is 5270886.

6880725 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 695556 + 6185169 = 834^2 + 2487^2 .

It is not a de Polignac number, because 6880725 - 2² = 6880721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6880725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6880721) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11637 + ... + 12213.

It is an arithmetic number, because the mean of its divisors is an integer number (349401).

Almost surely, 2^6880725 is an apocalyptic number.

It is an amenable number.

6880725 is a deficient number, since it is larger than the sum of its proper divisors (5697711).

6880725 is a wasteful number, since it uses less digits than its factorization.

6880725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646 (or 638 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 6880725 is about 2623.1136079095. The cubic root of 6880725 is about 190.2003887648.

The spelling of 6880725 in words is "six million, eight hundred eighty thousand, seven hundred twenty-five".