42073189 has 4 divisors (see below), whose sum is σ = 42272800. Its totient is φ = 41873580.

The previous prime is 42073153. The next prime is 42073193. The reversal of 42073189 is 98137024.

42073189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42073189 - 2¹⁵ = 42040421 is a prime.

It is a cake number, because a cake can be divided into 42073189 parts by 632 planar cuts.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42073489) 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 3 ways as a sum of consecutive naturals, for example, 99489 + ... + 99910.

It is an arithmetic number, because the mean of its divisors is an integer number (10568200).

Almost surely, 2^42073189 is an apocalyptic number.

It is an amenable number.

42073189 is a deficient number, since it is larger than the sum of its proper divisors (199611).

42073189 is a wasteful number, since it uses less digits than its factorization.

42073189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199610.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 42073189 is about 6486.3848945310. The cubic root of 42073189 is about 347.8044575687.

It can be divided in two parts, 4207 and 3189, that added together give a square (7396 = 86²).

The spelling of 42073189 in words is "forty-two million, seventy-three thousand, one hundred eighty-nine".