27638036 has 24 divisors (see below), whose sum is σ = 49397376. Its totient is φ = 13527360.

The previous prime is 27638029. The next prime is 27638041. The reversal of 27638036 is 63083672.

It is a super-3 number, since 3×27638036³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 27637987 and 27638005.

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, 75125 + ... + 75491.

It is an arithmetic number, because the mean of its divisors is an integer number (2058224).

Almost surely, 2^27638036 is an apocalyptic number.

It is an amenable number.

27638036 is a deficient number, since it is larger than the sum of its proper divisors (21759340).

27638036 is a wasteful number, since it uses less digits than its factorization.

27638036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719 (or 717 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 27638036 is about 5257.1889827169. The cubic root of 27638036 is about 302.3447228031.

The spelling of 27638036 in words is "twenty-seven million, six hundred thirty-eight thousand, thirty-six".