27732016 has 20 divisors (see below), whose sum is σ = 57864352. Its totient is φ = 12799296.

The previous prime is 27732013. The next prime is 27732041. The reversal of 27732016 is 61023772.

It is a super-2 number, since 2×27732016² = 1538129422848512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27732013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66456 + ... + 66871.

Almost surely, 2^27732016 is an apocalyptic number.

27732016 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

27732016 is an abundant number, since it is smaller than the sum of its proper divisors (30132336).

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

27732016 is a wasteful number, since it uses less digits than its factorization.

27732016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133348 (or 133342 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 27732016 is about 5266.1196340380. The cubic root of 27732016 is about 302.6870313902.

Adding to 27732016 its reverse (61023772), we get a palindrome (88755788).

The spelling of 27732016 in words is "twenty-seven million, seven hundred thirty-two thousand, sixteen".