199072 has 12 divisors (see below), whose sum is σ = 391986. Its totient is φ = 99520.

The previous prime is 199049. The next prime is 199081. The reversal of 199072 is 270991.

It can be written as a sum of positive squares in only one way, i.e., 197136 + 1936 = 444^2 + 44^2 .

It is a super-2 number, since 2×199072² = 79259322368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 199072.

It is an unprimeable number.

199072 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3079 + ... + 3142.

2¹⁹⁹⁰⁷² is an apocalyptic number.

It is an amenable number.

199072 is a deficient number, since it is larger than the sum of its proper divisors (192914).

199072 is an equidigital number, since it uses as much as digits as its factorization.

199072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6231 (or 6223 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 199072 is about 446.1748536168. The cubic root of 199072 is about 58.3897648917.

The spelling of 199072 in words is "one hundred ninety-nine thousand, seventy-two".