42374239 has 6 divisors (see below), whose sum is σ = 42897896. Its totient is φ = 41856900.

The previous prime is 42374231. The next prime is 42374261. The reversal of 42374239 is 93247324.

It is a happy number.

42374239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42374239 - 2³ = 42374231 is a prime.

It is a super-2 number, since 2×42374239² = 3591152261658242, 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 (42374231) 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 5 ways as a sum of consecutive naturals, for example, 3814 + ... + 9964.

Almost surely, 2^42374239 is an apocalyptic number.

42374239 is a deficient number, since it is larger than the sum of its proper divisors (523657).

42374239 is an frugal number, since it uses more digits than its factorization.

42374239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6317 (or 6234 counting only the distinct ones).

The product of its digits is 36288, while the sum is 34.

The square root of 42374239 is about 6509.5498308255. The cubic root of 42374239 is about 348.6320454290.

The spelling of 42374239 in words is "forty-two million, three hundred seventy-four thousand, two hundred thirty-nine".