199870075 has 6 divisors (see below), whose sum is σ = 247838924. Its totient is φ = 159896040.

The previous prime is 199870061. The next prime is 199870081. The reversal of 199870075 is 570078991.

It is not a de Polignac number, because 199870075 - 2⁵ = 199870043 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3997377 + ... + 3997426.

Almost surely, 2^199870075 is an apocalyptic number.

199870075 is a deficient number, since it is larger than the sum of its proper divisors (47968849).

199870075 is an equidigital number, since it uses as much as digits as its factorization.

199870075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7994813 (or 7994808 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 46.

The square root of 199870075 is about 14137.5413350413. The cubic root of 199870075 is about 584.6768858762.

The spelling of 199870075 in words is "one hundred ninety-nine million, eight hundred seventy thousand, seventy-five".