Subtracting 1672 from its reverse (2761), we obtain a square (1089 = 332).
1672 is nontrivially palindromic in base 15.
1672 is an esthetic number in base 8, base 14 and base 15, because in such bases its adjacent digits differ by 1.
It is a d-powerful number, because it can be written as 1 + 73 + 64 + 25 .
It is an alternating number because its digits alternate between odd and even.
1672 is an undulating number in base 15.
It is a plaindrome in base 9 and base 16.
It is a nialpdrome in base 8, base 12 and base 14.
It is an unprimeable number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1672 is a wasteful number, since it uses less digits than its factorization.
1672 is an evil number, because the sum of its binary digits is even.
The square root of 1672 is about 40.8900966005. The cubic root of 1672 is about 11.8689442808.
The spelling of 1672 in words is "one thousand, six hundred seventy-two".