27142424 has 8 divisors (see below), whose sum is σ = 50892060. Its totient is φ = 13571208.

The previous prime is 27142397. The next prime is 27142429. The reversal of 27142424 is 42424172.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×27142424² = 1473422361191552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27142393 and 27142402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27142429) 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 as a sum of consecutive naturals, namely, 1696394 + ... + 1696409.

Almost surely, 2^27142424 is an apocalyptic number.

It is an amenable number.

27142424 is a deficient number, since it is larger than the sum of its proper divisors (23749636).

27142424 is a wasteful number, since it uses less digits than its factorization.

27142424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3392809 (or 3392805 counting only the distinct ones).

The product of its digits is 3584, while the sum is 26.

The square root of 27142424 is about 5209.8391529874. The cubic root of 27142424 is about 300.5265714971.

Adding to 27142424 its reverse (42424172), we get a palindrome (69566596).

The spelling of 27142424 in words is "twenty-seven million, one hundred forty-two thousand, four hundred twenty-four".