42243673 has 8 divisors (see below), whose sum is σ = 43313600. Its totient is φ = 41177808.

The previous prime is 42243671. The next prime is 42243679. The reversal of 42243673 is 37634224.

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

It is a cyclic number.

It is not a de Polignac number, because 42243673 - 2¹ = 42243671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42243671) 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, 38983 + ... + 40051.

It is an arithmetic number, because the mean of its divisors is an integer number (5414200).

Almost surely, 2^42243673 is an apocalyptic number.

42243673 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

42243673 is a deficient number, since it is larger than the sum of its proper divisors (1069927).

42243673 is a wasteful number, since it uses less digits than its factorization.

42243673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031.

The product of its digits is 24192, while the sum is 31.

The square root of 42243673 is about 6499.5132894702. The cubic root of 42243673 is about 348.2736018293.

Adding to 42243673 its reverse (37634224), we get a palindrome (79877897).

The spelling of 42243673 in words is "forty-two million, two hundred forty-three thousand, six hundred seventy-three".