It is a Curzon number.
It is a congruent number.
73470 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
273470 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 73470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
73470 is a wasteful number, since it uses less digits than its factorization.
73470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 120.
The square root of 73470 is about 271.0535002541. The cubic root of 73470 is about 41.8828937372.
The spelling of 73470 in words is "seventy-three thousand, four hundred seventy", and thus it is an iban number.