27636049 has 9 divisors (see below), whose sum is σ = 32190921. Its totient is φ = 23656500.

The previous prime is 27636031. The next prime is 27636061. The reversal of 27636049 is 94063672.

The square root of 27636049 is 5257.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 27636049 - 2⁷ = 27635921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27635999 and 27636017.

It is not an unprimeable number, because it can be changed into a prime (27636019) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 36424 + ... + 37174.

It is an arithmetic number, because the mean of its divisors is an integer number (3576769).

Almost surely, 2^27636049 is an apocalyptic number.

27636049 is the 5257-th square number.

27636049 is the 2629-th centered octagonal number.

It is an amenable number.

27636049 is a deficient number, since it is larger than the sum of its proper divisors (4554872).

27636049 is an frugal number, since it uses more digits than its factorization.

27636049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516 (or 758 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 37.

The cubic root of 27636049 is about 302.3374770716.

The spelling of 27636049 in words is "twenty-seven million, six hundred thirty-six thousand, forty-nine".