198072475 has 12 divisors (see below), whose sum is σ = 245784616. Its totient is φ = 158345280.

The previous prime is 198072467. The next prime is 198072487. The reversal of 198072475 is 574270891.

It is not a de Polignac number, because 198072475 - 2³ = 198072467 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65599 + ... + 68551.

Almost surely, 2^198072475 is an apocalyptic number.

198072475 is a deficient number, since it is larger than the sum of its proper divisors (47712141).

198072475 is a wasteful number, since it uses less digits than its factorization.

198072475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5646 (or 5641 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 198072475 is about 14073.8223308382. The cubic root of 198072475 is about 582.9187739342.

The spelling of 198072475 in words is "one hundred ninety-eight million, seventy-two thousand, four hundred seventy-five".