6730685 has 8 divisors (see below), whose sum is σ = 8698200. Its totient is φ = 4970304.

The previous prime is 6730681. The next prime is 6730687. The reversal of 6730685 is 5860376.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1849 + 6728836 = 43^2 + 2594^2 .

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 6730685 - 2² = 6730681 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 51710 + ... + 51839.

It is an arithmetic number, because the mean of its divisors is an integer number (1087275).

Almost surely, 2^6730685 is an apocalyptic number.

6730685 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6730685 is a deficient number, since it is larger than the sum of its proper divisors (1967515).

6730685 is a wasteful number, since it uses less digits than its factorization.

6730685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103567.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 6730685 is about 2594.3563749030. The cubic root of 6730685 is about 188.8077232339.

The spelling of 6730685 in words is "six million, seven hundred thirty thousand, six hundred eighty-five".