199999074 has 16 divisors (see below), whose sum is σ = 436361760. Its totient is φ = 60605760.

The previous prime is 199999061. The next prime is 199999081. The reversal of 199999074 is 470999991.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1515079 + ... + 1515210.

It is an arithmetic number, because the mean of its divisors is an integer number (27272610).

Almost surely, 2^199999074 is an apocalyptic number.

199999074 is an abundant number, since it is smaller than the sum of its proper divisors (236362686).

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

199999074 is a wasteful number, since it uses less digits than its factorization.

199999074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030305.

The product of its (nonzero) digits is 1653372, while the sum is 57.

The square root of 199999074 is about 14142.1028846491. The cubic root of 199999074 is about 584.8026450944.

The spelling of 199999074 in words is "one hundred ninety-nine million, nine hundred ninety-nine thousand, seventy-four".