42767289 has 12 divisors (see below), whose sum is σ = 62088000. Its totient is φ = 28367064.

The previous prime is 42767267. The next prime is 42767293. The reversal of 42767289 is 98276724.

42767289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42767289 - 2¹⁵ = 42734521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42767299) 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 11 ways as a sum of consecutive naturals, for example, 10149 + ... + 13730.

It is an arithmetic number, because the mean of its divisors is an integer number (5174000).

Almost surely, 2^42767289 is an apocalyptic number.

It is an amenable number.

42767289 is a deficient number, since it is larger than the sum of its proper divisors (19320711).

42767289 is a wasteful number, since it uses less digits than its factorization.

42767289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24084 (or 24081 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 42767289 is about 6539.6704045387. The cubic root of 42767289 is about 349.7066630649.

The spelling of 42767289 in words is "forty-two million, seven hundred sixty-seven thousand, two hundred eighty-nine".