6725559 has 8 divisors (see below), whose sum is σ = 9158400. Its totient is φ = 4388216.

The previous prime is 6725549. The next prime is 6725597. The reversal of 6725559 is 9555276.

6725559 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6725559 - 2¹⁶ = 6660023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6725519) 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, 23709 + ... + 23990.

It is an arithmetic number, because the mean of its divisors is an integer number (1144800).

Almost surely, 2^6725559 is an apocalyptic number.

6725559 is a deficient number, since it is larger than the sum of its proper divisors (2432841).

6725559 is a wasteful number, since it uses less digits than its factorization.

6725559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47749.

The product of its digits is 94500, while the sum is 39.

The square root of 6725559 is about 2593.3682731151. The cubic root of 6725559 is about 188.7597799122.

The spelling of 6725559 in words is "six million, seven hundred twenty-five thousand, five hundred fifty-nine".