6725885 has 4 divisors (see below), whose sum is σ = 8071068. Its totient is φ = 5380704.

The previous prime is 6725881. The next prime is 6725891. The reversal of 6725885 is 5885276.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1315609 + 5410276 = 1147^2 + 2326^2 .

It is a cyclic number.

It is not a de Polignac number, because 6725885 - 2² = 6725881 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6725881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 672584 + ... + 672593.

It is an arithmetic number, because the mean of its divisors is an integer number (2017767).

Almost surely, 2^6725885 is an apocalyptic number.

It is an amenable number.

6725885 is a deficient number, since it is larger than the sum of its proper divisors (1345183).

6725885 is a wasteful number, since it uses less digits than its factorization.

6725885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345182.

The product of its digits is 134400, while the sum is 41.

The square root of 6725885 is about 2593.4311249771. The cubic root of 6725885 is about 188.7628297055.

It can be divided in two parts, 67 and 25885, that added together give a palindrome (25952).

The spelling of 6725885 in words is "six million, seven hundred twenty-five thousand, eight hundred eighty-five".