Subtracting from 47430 its reverse (3474), we obtain a triangular number (43956 = T296).
47430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 47430.
47430 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
247430 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47430 is a wasteful number, since it uses less digits than its factorization.
47430 is an evil number, because the sum of its binary digits is even.
The square root of 47430 is about 217.7842969546. The cubic root of 47430 is about 36.1979832622.
The spelling of 47430 in words is "forty-seven thousand, four hundred thirty".