42702289 has 8 divisors (see below), whose sum is σ = 49351680. Its totient is φ = 36190176.

The previous prime is 42702287. The next prime is 42702293. The reversal of 42702289 is 98220724.

42702289 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 42702289 - 2¹ = 42702287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42702287) 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, 33649 + ... + 34894.

It is an arithmetic number, because the mean of its divisors is an integer number (6168960).

Almost surely, 2^42702289 is an apocalyptic number.

It is an amenable number.

42702289 is a deficient number, since it is larger than the sum of its proper divisors (6649391).

42702289 is an equidigital number, since it uses as much as digits as its factorization.

42702289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68639.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 42702289 is about 6534.6988453945. The cubic root of 42702289 is about 349.5294056387.

The spelling of 42702289 in words is "forty-two million, seven hundred two thousand, two hundred eighty-nine".