27113424 has 40 divisors (see below), whose sum is σ = 75432672. Its totient is φ = 8342400.

The previous prime is 27113417. The next prime is 27113431. The reversal of 27113424 is 42431172.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (27113417) and next prime (27113431).

It is a super-2 number, since 2×27113424² = 1470275522007552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 27113394 and 27113403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21102 + ... + 22349.

Almost surely, 2^27113424 is an apocalyptic number.

27113424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

27113424 is an abundant number, since it is smaller than the sum of its proper divisors (48319248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27113424 is a wasteful number, since it uses less digits than its factorization.

27113424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43475 (or 43469 counting only the distinct ones).

The product of its digits is 1344, while the sum is 24.

The square root of 27113424 is about 5207.0552138421. The cubic root of 27113424 is about 300.4195020090.

Adding to 27113424 its reverse (42431172), we get a palindrome (69544596).

It can be divided in two parts, 271 and 13424, that added together give a triangular number (13695 = T₁₆₅).

The spelling of 27113424 in words is "twenty-seven million, one hundred thirteen thousand, four hundred twenty-four".