42768089 has 8 divisors (see below), whose sum is σ = 52637760. Its totient is φ = 33838416.

The previous prime is 42768083. The next prime is 42768091. The reversal of 42768089 is 98086724.

42768089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42768089 - 2¹⁶ = 42702553 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42768083) 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 7 ways as a sum of consecutive naturals, for example, 234899 + ... + 235080.

It is an arithmetic number, because the mean of its divisors is an integer number (6579720).

Almost surely, 2^42768089 is an apocalyptic number.

It is an amenable number.

42768089 is a deficient number, since it is larger than the sum of its proper divisors (9869671).

42768089 is a wasteful number, since it uses less digits than its factorization.

42768089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469999.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 42768089 is about 6539.7315694148. The cubic root of 42768089 is about 349.7088435756.

The spelling of 42768089 in words is "forty-two million, seven hundred sixty-eight thousand, eighty-nine".