27434143 has 8 divisors (see below), whose sum is σ = 30041856. Its totient is φ = 24845400.

The previous prime is 27434117. The next prime is 27434149. The reversal of 27434143 is 34143472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27434143 - 2⁵ = 27434111 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27434149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1621 + ... + 7582.

It is an arithmetic number, because the mean of its divisors is an integer number (3755232).

Almost surely, 2^27434143 is an apocalyptic number.

27434143 is a deficient number, since it is larger than the sum of its proper divisors (2607713).

27434143 is a wasteful number, since it uses less digits than its factorization.

27434143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9485.

The product of its digits is 8064, while the sum is 28.

The square root of 27434143 is about 5237.7612584004. The cubic root of 27434143 is about 301.5993950026.

It can be divided in two parts, 2743 and 4143, that added together give a palindrome (6886).

The spelling of 27434143 in words is "twenty-seven million, four hundred thirty-four thousand, one hundred forty-three".