198073342 has 4 divisors (see below), whose sum is σ = 297110016. Its totient is φ = 99036670.

The previous prime is 198073333. The next prime is 198073357. The reversal of 198073342 is 243370891.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243370891 = 691 ⋅352201.

It is a super-2 number, since 2×198073342² = 78466097622097928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49518334 + ... + 49518337.

It is an arithmetic number, because the mean of its divisors is an integer number (74277504).

Almost surely, 2^198073342 is an apocalyptic number.

198073342 is a deficient number, since it is larger than the sum of its proper divisors (99036674).

198073342 is an equidigital number, since it uses as much as digits as its factorization.

198073342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99036673.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 198073342 is about 14073.8531326712. The cubic root of 198073342 is about 582.9196244476.

The spelling of 198073342 in words is "one hundred ninety-eight million, seventy-three thousand, three hundred forty-two".