42342719 has 4 divisors (see below), whose sum is σ = 42391344. Its totient is φ = 42294096.

The previous prime is 42342691. The next prime is 42342721. The reversal of 42342719 is 91724324.

42342719 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.

It is a cyclic number.

It is not a de Polignac number, because 42342719 - 2¹² = 42338623 is a prime.

It is a super-2 number, since 2×42342719² = 3585811704625922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42342749) 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, 22982 + ... + 24755.

It is an arithmetic number, because the mean of its divisors is an integer number (10597836).

Almost surely, 2^42342719 is an apocalyptic number.

42342719 is a deficient number, since it is larger than the sum of its proper divisors (48625).

42342719 is an equidigital number, since it uses as much as digits as its factorization.

42342719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48624.

The product of its digits is 12096, while the sum is 32.

The square root of 42342719 is about 6507.1283220788. The cubic root of 42342719 is about 348.5455808840.

The spelling of 42342719 in words is "forty-two million, three hundred forty-two thousand, seven hundred nineteen".