42324709 has 4 divisors (see below), whose sum is σ = 48371104. Its totient is φ = 36278316.

The previous prime is 42324673. The next prime is 42324719. The reversal of 42324709 is 90742324.

42324709 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 42324709 - 2¹¹ = 42322661 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 (42324719) 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, 3023187 + ... + 3023200.

It is an arithmetic number, because the mean of its divisors is an integer number (12092776).

Almost surely, 2^42324709 is an apocalyptic number.

It is an amenable number.

42324709 is a deficient number, since it is larger than the sum of its proper divisors (6046395).

42324709 is an equidigital number, since it uses as much as digits as its factorization.

42324709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6046394.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 42324709 is about 6505.7443079174. The cubic root of 42324709 is about 348.4961572266.

The spelling of 42324709 in words is "forty-two million, three hundred twenty-four thousand, seven hundred nine".