42975198 has 40 divisors (see below), whose sum is σ = 110055792. Its totient is φ = 12278304.

The previous prime is 42975193. The next prime is 42975203. The reversal of 42975198 is 89157924.

42975198 is a `hidden beast` number, since 42 + 97 + 519 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (42975193) and next prime (42975203).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42975193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17815 + ... + 20082.

Almost surely, 2^42975198 is an apocalyptic number.

42975198 is an abundant number, since it is smaller than the sum of its proper divisors (67080594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42975198 is a wasteful number, since it uses less digits than its factorization.

42975198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37918 (or 37909 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 42975198 is about 6555.5471167554. The cubic root of 42975198 is about 350.2724355037.

The spelling of 42975198 in words is "forty-two million, nine hundred seventy-five thousand, one hundred ninety-eight".