6730205 has 16 divisors (see below), whose sum is σ = 8339760. Its totient is φ = 5211648.

The previous prime is 6730201. The next prime is 6730211. The reversal of 6730205 is 5020376.

It can be written as a sum of positive squares in 8 ways, for example, as 1369 + 6728836 = 37^2 + 2594^2 .

It is a cyclic number.

It is not a de Polignac number, because 6730205 - 2² = 6730201 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6730201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28769 + ... + 29001.

It is an arithmetic number, because the mean of its divisors is an integer number (521235).

Almost surely, 2^6730205 is an apocalyptic number.

It is an amenable number.

6730205 is a deficient number, since it is larger than the sum of its proper divisors (1609555).

6730205 is a wasteful number, since it uses less digits than its factorization.

6730205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 6730205 is about 2594.2638647601. The cubic root of 6730205 is about 188.8032348418.

The spelling of 6730205 in words is "six million, seven hundred thirty thousand, two hundred five".