42534347 has 4 divisors (see below), whose sum is σ = 43169256. Its totient is φ = 41899440.

The previous prime is 42534341. The next prime is 42534367. The reversal of 42534347 is 74343524.

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

It is a cyclic number.

It is not a de Polignac number, because 42534347 - 2⁸ = 42534091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42534341) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 317354 + ... + 317487.

It is an arithmetic number, because the mean of its divisors is an integer number (10792314).

Almost surely, 2^42534347 is an apocalyptic number.

42534347 is a deficient number, since it is larger than the sum of its proper divisors (634909).

42534347 is an equidigital number, since it uses as much as digits as its factorization.

42534347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634908.

The product of its digits is 40320, while the sum is 32.

The square root of 42534347 is about 6521.8361678288. The cubic root of 42534347 is about 349.0705872226.

The spelling of 42534347 in words is "forty-two million, five hundred thirty-four thousand, three hundred forty-seven".