199875272 has 8 divisors (see below), whose sum is σ = 374766150. Its totient is φ = 99937632.

The previous prime is 199875257. The next prime is 199875281. The reversal of 199875272 is 272578991.

It can be written as a sum of positive squares in only one way, i.e., 104734756 + 95140516 = 10234^2 + 9754^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 199875272.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12492197 + ... + 12492212.

Almost surely, 2^199875272 is an apocalyptic number.

It is an amenable number.

199875272 is a deficient number, since it is larger than the sum of its proper divisors (174890878).

199875272 is a wasteful number, since it uses less digits than its factorization.

199875272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24984415 (or 24984411 counting only the distinct ones).

The product of its digits is 635040, while the sum is 50.

The square root of 199875272 is about 14137.7251352543. The cubic root of 199875272 is about 584.6819534006.

The spelling of 199875272 in words is "one hundred ninety-nine million, eight hundred seventy-five thousand, two hundred seventy-two".