42339074 has 4 divisors (see below), whose sum is σ = 63508614. Its totient is φ = 21169536.

The previous prime is 42339071. The next prime is 42339083. The reversal of 42339074 is 47093324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41925625 + 413449 = 6475^2 + 643^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42339074.

It is not an unprimeable number, because it can be changed into a prime (42339071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10584767 + ... + 10584770.

Almost surely, 2^42339074 is an apocalyptic number.

42339074 is a deficient number, since it is larger than the sum of its proper divisors (21169540).

42339074 is a wasteful number, since it uses less digits than its factorization.

42339074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21169539.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 42339074 is about 6506.8482385868. The cubic root of 42339074 is about 348.5355792818.

The spelling of 42339074 in words is "forty-two million, three hundred thirty-nine thousand, seventy-four".