It is a happy number.
It is a tau number, because it is divible by the number of its divisors (50).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a nialpdrome in base 5 and base 10.
It is a congruent number.
270000 is an apocalyptic number.
70000 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 70000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70000 is an equidigital number, since it uses as much as digits as its factorization.
70000 is an evil number, because the sum of its binary digits is even.
The square root of 70000 is about 264.5751311065. The cubic root of 70000 is about 41.2128529981.
The spelling of 70000 in words is "seventy thousand", and thus it is an iban number.