6725637 has 12 divisors (see below), whose sum is σ = 10137504. Its totient is φ = 4288680.

The previous prime is 6725633. The next prime is 6725657. The reversal of 6725637 is 7365276.

It is a happy number.

6725637 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6725637 - 2² = 6725633 is a prime.

6725637 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6725633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16039 + ... + 16452.

It is an arithmetic number, because the mean of its divisors is an integer number (844792).

Almost surely, 2^6725637 is an apocalyptic number.

It is an amenable number.

6725637 is a deficient number, since it is larger than the sum of its proper divisors (3411867).

6725637 is a wasteful number, since it uses less digits than its factorization.

6725637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32520 (or 32517 counting only the distinct ones).

The product of its digits is 52920, while the sum is 36.

The square root of 6725637 is about 2593.3833114293. The cubic root of 6725637 is about 188.7605096264.

The spelling of 6725637 in words is "six million, seven hundred twenty-five thousand, six hundred thirty-seven".