272198868 has 12 divisors (see below), whose sum is σ = 635130720. Its totient is φ = 90732952.

The previous prime is 272198867. The next prime is 272198873. The reversal of 272198868 is 868891272.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 272198868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272198867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11341608 + ... + 11341631.

It is an arithmetic number, because the mean of its divisors is an integer number (52927560).

Almost surely, 2^272198868 is an apocalyptic number.

It is an amenable number.

272198868 is an abundant number, since it is smaller than the sum of its proper divisors (362931852).

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

272198868 is a wasteful number, since it uses less digits than its factorization.

272198868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22683246 (or 22683244 counting only the distinct ones).

The product of its digits is 774144, while the sum is 51.

The square root of 272198868 is about 16498.4504726959. The cubic root of 272198868 is about 648.0802274544.

The spelling of 272198868 in words is "two hundred seventy-two million, one hundred ninety-eight thousand, eight hundred sixty-eight".