42743235 has 16 divisors (see below), whose sum is σ = 68555520. Its totient is φ = 22740960.

The previous prime is 42743227. The next prime is 42743273. The reversal of 42743235 is 53234724.

It is not a de Polignac number, because 42743235 - 2³ = 42743227 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3340 + ... + 9830.

It is an arithmetic number, because the mean of its divisors is an integer number (4284720).

Almost surely, 2^42743235 is an apocalyptic number.

42743235 is a deficient number, since it is larger than the sum of its proper divisors (25812285).

42743235 is a wasteful number, since it uses less digits than its factorization.

42743235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6938.

The product of its digits is 20160, while the sum is 30.

The square root of 42743235 is about 6537.8310623631. The cubic root of 42743235 is about 349.6410878569.

Adding to 42743235 its reverse (53234724), we get a palindrome (95977959).

The spelling of 42743235 in words is "forty-two million, seven hundred forty-three thousand, two hundred thirty-five".