42743234 has 16 divisors (see below), whose sum is σ = 66370560. Its totient is φ = 20623680.

The previous prime is 42743227. The next prime is 42743273. The reversal of 42743234 is 43234724.

It is a junction number, because it is equal to n+sod(n) for n = 42743197 and 42743206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27962 + ... + 29450.

It is an arithmetic number, because the mean of its divisors is an integer number (4148160).

Almost surely, 2^42743234 is an apocalyptic number.

42743234 is a deficient number, since it is larger than the sum of its proper divisors (23627326).

42743234 is a wasteful number, since it uses less digits than its factorization.

42743234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985.

The product of its digits is 16128, while the sum is 29.

The square root of 42743234 is about 6537.8309858852. The cubic root of 42743234 is about 349.6410851302.

Adding to 42743234 its reverse (43234724), we get a palindrome (85977958).

The spelling of 42743234 in words is "forty-two million, seven hundred forty-three thousand, two hundred thirty-four".