27513434 has 16 divisors (see below), whose sum is σ = 44648520. Its totient is φ = 12640320.

The previous prime is 27513433. The next prime is 27513439. The reversal of 27513434 is 43431572.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23493409 + 4020025 = 4847^2 + 2005^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27513397 and 27513406.

It is not an unprimeable number, because it can be changed into a prime (27513433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3644 + ... + 8264.

Almost surely, 2^27513434 is an apocalyptic number.

27513434 is a deficient number, since it is larger than the sum of its proper divisors (17135086).

27513434 is a wasteful number, since it uses less digits than its factorization.

27513434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4865.

The product of its digits is 10080, while the sum is 29.

The square root of 27513434 is about 5245.3249661008. The cubic root of 27513434 is about 301.8896794540.

The spelling of 27513434 in words is "twenty-seven million, five hundred thirteen thousand, four hundred thirty-four".