99170272 has 24 divisors (see below), whose sum is σ = 205518600. Its totient is φ = 46975104.

The previous prime is 99170263. The next prime is 99170303. The reversal of 99170272 is 27207199.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80947 + ... + 82162.

It is an arithmetic number, because the mean of its divisors is an integer number (8563275).

Almost surely, 2^99170272 is an apocalyptic number.

It is an amenable number.

99170272 is an abundant number, since it is smaller than the sum of its proper divisors (106348328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99170272 is a wasteful number, since it uses less digits than its factorization.

99170272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163138 (or 163130 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 99170272 is about 9958.4271850529. The cubic root of 99170272 is about 462.8715642802.

The spelling of 99170272 in words is "ninety-nine million, one hundred seventy thousand, two hundred seventy-two".