27797632 has 16 divisors (see below), whose sum is σ = 55378350. Its totient is φ = 13898752.

The previous prime is 27797629. The next prime is 27797647. The reversal of 27797632 is 23679772.

It can be written as a sum of positive squares in only one way, i.e., 25160256 + 2637376 = 5016^2 + 1624^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108457 + ... + 108712.

Almost surely, 2^27797632 is an apocalyptic number.

It is an amenable number.

27797632 is a deficient number, since it is larger than the sum of its proper divisors (27580718).

27797632 is an equidigital number, since it uses as much as digits as its factorization.

27797632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217183 (or 217171 counting only the distinct ones).

The product of its digits is 222264, while the sum is 43.

The square root of 27797632 is about 5272.3459674039. The cubic root of 27797632 is about 302.9255699866.

The spelling of 27797632 in words is "twenty-seven million, seven hundred ninety-seven thousand, six hundred thirty-two".