6725631 has 8 divisors (see below), whose sum is σ = 9782784. Its totient is φ = 4076120.

The previous prime is 6725611. The next prime is 6725633. The reversal of 6725631 is 1365276.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6725631 - 2⁹ = 6725119 is a prime.

It is a super-2 number, since 2×6725631² = 90468224696322, which contains 22 as substring.

It is a plaindrome in base 16.

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 7 ways as a sum of consecutive naturals, for example, 101871 + ... + 101936.

It is an arithmetic number, because the mean of its divisors is an integer number (1222848).

Almost surely, 2^6725631 is an apocalyptic number.

6725631 is a deficient number, since it is larger than the sum of its proper divisors (3057153).

6725631 is a wasteful number, since it uses less digits than its factorization.

6725631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203821.

The product of its digits is 7560, while the sum is 30.

The square root of 6725631 is about 2593.3821546390. The cubic root of 6725631 is about 188.7604534947.

The spelling of 6725631 in words is "six million, seven hundred twenty-five thousand, six hundred thirty-one".