199845074 has 32 divisors (see below), whose sum is σ = 354062016. Its totient is φ = 83401920.

The previous prime is 199845073. The next prime is 199845083. The reversal of 199845074 is 470548991.

It is not an unprimeable number, because it can be changed into a prime (199845071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54569 + ... + 58115.

It is an arithmetic number, because the mean of its divisors is an integer number (11064438).

Almost surely, 2^199845074 is an apocalyptic number.

199845074 is a deficient number, since it is larger than the sum of its proper divisors (154216942).

199845074 is a wasteful number, since it uses less digits than its factorization.

199845074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3770.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 199845074 is about 14136.6571013093. The cubic root of 199845074 is about 584.6525065115.

The spelling of 199845074 in words is "one hundred ninety-nine million, eight hundred forty-five thousand, seventy-four".