27992652 has 12 divisors (see below), whose sum is σ = 65316216. Its totient is φ = 9330880.

The previous prime is 27992641. The next prime is 27992729. The reversal of 27992652 is 25629972.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1166349 + ... + 1166372.

It is an arithmetic number, because the mean of its divisors is an integer number (5443018).

Almost surely, 2^27992652 is an apocalyptic number.

It is an amenable number.

27992652 is an abundant number, since it is smaller than the sum of its proper divisors (37323564).

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

27992652 is a wasteful number, since it uses less digits than its factorization.

27992652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2332728 (or 2332726 counting only the distinct ones).

The product of its digits is 136080, while the sum is 42.

The square root of 27992652 is about 5290.8082558339. The cubic root of 27992652 is about 303.6323319401.

The spelling of 27992652 in words is "twenty-seven million, nine hundred ninety-two thousand, six hundred fifty-two".