42339069 has 12 divisors (see below), whose sum is σ = 61624992. Its totient is φ = 28009800.

The previous prime is 42339053. The next prime is 42339071. The reversal of 42339069 is 96093324.

It is a happy number.

42339069 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 42339069 - 2⁴ = 42339053 is a prime.

It is a super-2 number, since 2×42339069² = 3585193527573522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42339029) 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 11 ways as a sum of consecutive naturals, for example, 16777 + ... + 19134.

It is an arithmetic number, because the mean of its divisors is an integer number (5135416).

Almost surely, 2^42339069 is an apocalyptic number.

It is an amenable number.

42339069 is a deficient number, since it is larger than the sum of its proper divisors (19285923).

42339069 is a wasteful number, since it uses less digits than its factorization.

42339069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36048 (or 36045 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 42339069 is about 6506.8478543762. The cubic root of 42339069 is about 348.5355655618.

The spelling of 42339069 in words is "forty-two million, three hundred thirty-nine thousand, sixty-nine".