198776073 has 8 divisors (see below), whose sum is σ = 268767936. Its totient is φ = 130650800.

The previous prime is 198776041. The next prime is 198776089. The reversal of 198776073 is 370677891.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 198776073 - 2⁵ = 198776041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (198776093) 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 7 ways as a sum of consecutive naturals, for example, 466398 + ... + 466823.

It is an arithmetic number, because the mean of its divisors is an integer number (33595992).

Almost surely, 2^198776073 is an apocalyptic number.

It is an amenable number.

198776073 is a deficient number, since it is larger than the sum of its proper divisors (69991863).

198776073 is an equidigital number, since it uses as much as digits as its factorization.

198776073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933295.

The product of its (nonzero) digits is 444528, while the sum is 48.

The square root of 198776073 is about 14098.7968635625. The cubic root of 198776073 is about 583.6081778213.

The spelling of 198776073 in words is "one hundred ninety-eight million, seven hundred seventy-six thousand, seventy-three".