42672243 has 8 divisors (see below), whose sum is σ = 56945088. Its totient is φ = 28423784.

The previous prime is 42672241. The next prime is 42672251. The reversal of 42672243 is 34227624.

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 42672243 - 2¹ = 42672241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42672243.

It is not an unprimeable number, because it can be changed into a prime (42672241) 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, 1521 + ... + 9362.

It is an arithmetic number, because the mean of its divisors is an integer number (7118136).

Almost surely, 2^42672243 is an apocalyptic number.

42672243 is a deficient number, since it is larger than the sum of its proper divisors (14272845).

42672243 is a wasteful number, since it uses less digits than its factorization.

42672243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12193.

The product of its digits is 16128, while the sum is 30.

The square root of 42672243 is about 6532.3994825791. The cubic root of 42672243 is about 349.4474082810.

Adding to 42672243 its reverse (34227624), we get a palindrome (76899867).

The spelling of 42672243 in words is "forty-two million, six hundred seventy-two thousand, two hundred forty-three".