It is a semiprime because it is the product of two primes.
It is a plaindrome in base 16.
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 70198.
70198 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
270198 is an apocalyptic number.
70198 is a wasteful number, since it uses less digits than its factorization.
70198 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35101.
The square root of 70198 is about 264.9490517062. The cubic root of 70198 is about 41.2516742510.
The spelling of 70198 in words is "seventy thousand, one hundred ninety-eight".