6700 has 18 divisors (see below), whose sum is σ = 14756. Its totient is φ = 2640.

The previous prime is 6691. The next prime is 6701. The reversal of 6700 is 76.

It is not an unprimeable number, because it can be changed into a prime (6701) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67 + ... + 133.

2⁶⁷⁰⁰ is an apocalyptic number.

6700 is the 67-th pentagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7378).

6700 is an abundant number, since it is smaller than the sum of its proper divisors (8056).

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

6700 is a wasteful number, since it uses less digits than its factorization.

6700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 6700 is about 81.8535277187. The cubic root of 6700 is about 18.8520363102.

Adding to 6700 its reverse (76), we get a palindrome (6776).

The spelling of 6700 in words is "six thousand, seven hundred".