198530074 has 8 divisors (see below), whose sum is σ = 297895968. Its totient is φ = 99231420.

The previous prime is 198530071. The next prime is 198530117. The reversal of 198530074 is 470035891.

198530074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (198530071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8632 + ... + 21715.

It is an arithmetic number, because the mean of its divisors is an integer number (37236996).

Almost surely, 2^198530074 is an apocalyptic number.

198530074 is a deficient number, since it is larger than the sum of its proper divisors (99365894).

198530074 is a wasteful number, since it uses less digits than its factorization.

198530074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33620.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 198530074 is about 14090.0700495065. The cubic root of 198530074 is about 583.3673267446.

The spelling of 198530074 in words is "one hundred ninety-eight million, five hundred thirty thousand, seventy-four".