6725889 has 8 divisors (see below), whose sum is σ = 9964320. Its totient is φ = 4483908.

The previous prime is 6725881. The next prime is 6725891. The reversal of 6725889 is 9885276.

6725889 is a `hidden beast` number, since 67 + 2 + 588 + 9 = 666.

It is not a de Polignac number, because 6725889 - 2³ = 6725881 is a prime.

It is a d-powerful number, because it can be written as 6⁸ + 7³ + 2⁷ + 5⁴ + 8² + 8⁶ + 9⁷ .

6725889 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6725881) 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, 124527 + ... + 124580.

It is an arithmetic number, because the mean of its divisors is an integer number (1245540).

Almost surely, 2^6725889 is an apocalyptic number.

It is an amenable number.

6725889 is a deficient number, since it is larger than the sum of its proper divisors (3238431).

6725889 is a wasteful number, since it uses less digits than its factorization.

6725889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249116 (or 249110 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 6725889 is about 2593.4318961561. The cubic root of 6725889 is about 188.7628671257.

It can be divided in two parts, 672 and 5889, that added together give a 8-th power (6561 = 3⁸).

The spelling of 6725889 in words is "six million, seven hundred twenty-five thousand, eight hundred eighty-nine".