6725687 has 2 divisors, whose sum is σ = 6725688. Its totient is φ = 6725686.

The previous prime is 6725657. The next prime is 6725717. The reversal of 6725687 is 7865276.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (6725657) and next prime (6725717).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6725687 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6725657) by changing a digit.

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 as a sum of consecutive naturals, namely, 3362843 + 3362844.

It is an arithmetic number, because the mean of its divisors is an integer number (3362844).

Almost surely, 2^6725687 is an apocalyptic number.

6725687 is a deficient number, since it is larger than the sum of its proper divisors (1).

6725687 is an equidigital number, since it uses as much as digits as its factorization.

6725687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 41.

The square root of 6725687 is about 2593.3929513284. The cubic root of 6725687 is about 188.7609773888.

The spelling of 6725687 in words is "six million, seven hundred twenty-five thousand, six hundred eighty-seven".