199774674 has 48 divisors (see below), whose sum is σ = 489696480. Its totient is φ = 60536160.

The previous prime is 199774669. The next prime is 199774681. The reversal of 199774674 is 476477991.

199774674 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 199774674.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13339 + ... + 24030.

It is an arithmetic number, because the mean of its divisors is an integer number (10202010).

Almost surely, 2^199774674 is an apocalyptic number.

199774674 is an abundant number, since it is smaller than the sum of its proper divisors (289921806).

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

199774674 is a wasteful number, since it uses less digits than its factorization.

199774674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37397 (or 37385 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 54.

The square root of 199774674 is about 14134.1669015192. The cubic root of 199774674 is about 584.5838460408.

The spelling of 199774674 in words is "one hundred ninety-nine million, seven hundred seventy-four thousand, six hundred seventy-four".