6726489 has 32 divisors (see below), whose sum is σ = 11498496. Its totient is φ = 3395520.

The previous prime is 6726487. The next prime is 6726493. The reversal of 6726489 is 9846276.

It is not a de Polignac number, because 6726489 - 2¹ = 6726487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6726489.

It is not an unprimeable number, because it can be changed into a prime (6726481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8154 + ... + 8940.

It is an arithmetic number, because the mean of its divisors is an integer number (359328).

Almost surely, 2^6726489 is an apocalyptic number.

It is an amenable number.

6726489 is a deficient number, since it is larger than the sum of its proper divisors (4772007).

6726489 is a wasteful number, since it uses less digits than its factorization.

6726489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845.

The product of its digits is 145152, while the sum is 42.

The square root of 6726489 is about 2593.5475704139. The cubic root of 6726489 is about 188.7684799824.

The spelling of 6726489 in words is "six million, seven hundred twenty-six thousand, four hundred eighty-nine".