5670 is nontrivially palindromic in base 13.
It is an alternating number because its digits alternate between odd and even.
It is a plaindrome in base 12.
It is a nialpdrome in base 9.
It is a zygodrome in base 9.
It is a congruent number.
It is an unprimeable number.
25670 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 5670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5670 is a wasteful number, since it uses less digits than its factorization.
5670 is an evil number, because the sum of its binary digits is even.
The square root of 5670 is about 75.2994023881. The cubic root of 5670 is about 17.8317658583.
Subtracting from 5670 its product of nonzero digits (210), we obtain a triangular number (5460 = T104).
5670 divided by its product of nonzero digits (210) gives a cube (27 = 33).
The spelling of 5670 in words is "five thousand, six hundred seventy".