6685760 has 56 divisors (see below), whose sum is σ = 16870680. Its totient is φ = 2514944.

The previous prime is 6685759. The next prime is 6685781. The reversal of 6685760 is 675866.

It can be written as a sum of positive squares in 4 ways, for example, as 3474496 + 3211264 = 1864^2 + 1792^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4826 + ... + 6054.

Almost surely, 2^6685760 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6685760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8435340).

6685760 is an abundant number, since it is smaller than the sum of its proper divisors (10184920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6685760 is a wasteful number, since it uses less digits than its factorization.

6685760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263 (or 1253 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 6685760 is about 2585.6836620128. The cubic root of 6685760 is about 188.3867096645.

The spelling of 6685760 in words is "six million, six hundred eighty-five thousand, seven hundred sixty".