42943172 has 12 divisors (see below), whose sum is σ = 75880896. Its totient is φ = 21262920.

The previous prime is 42943151. The next prime is 42943177. The reversal of 42943172 is 27134924.

It is not an unprimeable number, because it can be changed into a prime (42943177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51704 + ... + 52527.

It is an arithmetic number, because the mean of its divisors is an integer number (6323408).

Almost surely, 2^42943172 is an apocalyptic number.

It is an amenable number.

42943172 is a deficient number, since it is larger than the sum of its proper divisors (32937724).

42943172 is a wasteful number, since it uses less digits than its factorization.

42943172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104338 (or 104336 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 42943172 is about 6553.1039973435. The cubic root of 42943172 is about 350.1854038104.

The spelling of 42943172 in words is "forty-two million, nine hundred forty-three thousand, one hundred seventy-two".