42282709 has 4 divisors (see below), whose sum is σ = 48323104. Its totient is φ = 36242316.

The previous prime is 42282703. The next prime is 42282731. The reversal of 42282709 is 90728224.

42282709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42282709 - 2¹¹ = 42280661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42282703) 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 3 ways as a sum of consecutive naturals, for example, 3020187 + ... + 3020200.

It is an arithmetic number, because the mean of its divisors is an integer number (12080776).

Almost surely, 2^42282709 is an apocalyptic number.

It is an amenable number.

42282709 is a deficient number, since it is larger than the sum of its proper divisors (6040395).

42282709 is an equidigital number, since it uses as much as digits as its factorization.

42282709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6040394.

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

The square root of 42282709 is about 6502.5155901389. The cubic root of 42282709 is about 348.3808448938.

The spelling of 42282709 in words is "forty-two million, two hundred eighty-two thousand, seven hundred nine".