198480074 has 32 divisors (see below), whose sum is σ = 329495040. Its totient is φ = 89107200.

The previous prime is 198480067. The next prime is 198480077. The reversal of 198480074 is 470084891.

It is a happy number.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (198480077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145154 + ... + 146514.

It is an arithmetic number, because the mean of its divisors is an integer number (10296720).

Almost surely, 2^198480074 is an apocalyptic number.

198480074 is a deficient number, since it is larger than the sum of its proper divisors (131014966).

198480074 is a wasteful number, since it uses less digits than its factorization.

198480074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 198480074 is about 14088.2956385789. The cubic root of 198480074 is about 583.3183487489.

The spelling of 198480074 in words is "one hundred ninety-eight million, four hundred eighty thousand, seventy-four".