42734163 has 4 divisors (see below), whose sum is σ = 56978888. Its totient is φ = 28489440.

The previous prime is 42734137. The next prime is 42734171. The reversal of 42734163 is 36143724.

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

It is not a de Polignac number, because 42734163 - 2⁹ = 42733651 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42734163.

It is not an unprimeable number, because it can be changed into a prime (42734063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7122358 + ... + 7122363.

It is an arithmetic number, because the mean of its divisors is an integer number (14244722).

Almost surely, 2^42734163 is an apocalyptic number.

42734163 is a deficient number, since it is larger than the sum of its proper divisors (14244725).

42734163 is a wasteful number, since it uses less digits than its factorization.

42734163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14244724.

The product of its digits is 12096, while the sum is 30.

The square root of 42734163 is about 6537.1372174676. The cubic root of 42734163 is about 349.6163496858.

Adding to 42734163 its reverse (36143724), we get a palindrome (78877887).

The spelling of 42734163 in words is "forty-two million, seven hundred thirty-four thousand, one hundred sixty-three".