6730689 has 32 divisors (see below), whose sum is σ = 10854400. Its totient is φ = 3704400.

The previous prime is 6730687. The next prime is 6730699. The reversal of 6730689 is 9860376.

6730689 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6730689 - 2¹ = 6730687 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 (6730681) 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, 31794 + ... + 32004.

It is an arithmetic number, because the mean of its divisors is an integer number (339200).

Almost surely, 2^6730689 is an apocalyptic number.

It is an amenable number.

6730689 is a deficient number, since it is larger than the sum of its proper divisors (4123711).

6730689 is a wasteful number, since it uses less digits than its factorization.

6730689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 6730689 is about 2594.3571458070. The cubic root of 6730689 is about 188.8077606363.

The spelling of 6730689 in words is "six million, seven hundred thirty thousand, six hundred eighty-nine".