6725671 has 4 divisors (see below), whose sum is σ = 6777144. Its totient is φ = 6674200.

The previous prime is 6725657. The next prime is 6725687. The reversal of 6725671 is 1765276.

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

It is a cyclic number.

It is not a de Polignac number, because 6725671 - 2¹¹ = 6723623 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 (6725611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25540 + ... + 25801.

It is an arithmetic number, because the mean of its divisors is an integer number (1694286).

Almost surely, 2^6725671 is an apocalyptic number.

6725671 is a deficient number, since it is larger than the sum of its proper divisors (51473).

6725671 is a wasteful number, since it uses less digits than its factorization.

6725671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51472.

The product of its digits is 17640, while the sum is 34.

The square root of 6725671 is about 2593.3898665646. The cubic root of 6725671 is about 188.7608277051.

It can be divided in two parts, 6725 and 671, that added together give a square (7396 = 86²).

The spelling of 6725671 in words is "six million, seven hundred twenty-five thousand, six hundred seventy-one".