42168873 has 8 divisors (see below), whose sum is σ = 57147136. Its totient is φ = 27651600.

The previous prime is 42168859. The next prime is 42168877. The reversal of 42168873 is 37886124.

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

It is not a de Polignac number, because 42168873 - 2⁸ = 42168617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42168877) 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 7 ways as a sum of consecutive naturals, for example, 115033 + ... + 115398.

It is an arithmetic number, because the mean of its divisors is an integer number (7143392).

Almost surely, 2^42168873 is an apocalyptic number.

It is an amenable number.

42168873 is a deficient number, since it is larger than the sum of its proper divisors (14978263).

42168873 is a wasteful number, since it uses less digits than its factorization.

42168873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230495.

The product of its digits is 64512, while the sum is 39.

The square root of 42168873 is about 6493.7564629419. The cubic root of 42168873 is about 348.0679200895.

The spelling of 42168873 in words is "forty-two million, one hundred sixty-eight thousand, eight hundred seventy-three".