27678352 has 20 divisors (see below), whose sum is σ = 57752380. Its totient is φ = 12774528.

The previous prime is 27678341. The next prime is 27678353. The reversal of 27678352 is 25387672.

It can be written as a sum of positive squares in 2 ways, for example, as 15872256 + 11806096 = 3984^2 + 3436^2 .

It is not an unprimeable number, because it can be changed into a prime (27678353) by changing a digit.

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, 66327 + ... + 66742.

It is an arithmetic number, because the mean of its divisors is an integer number (2887619).

Almost surely, 2^27678352 is an apocalyptic number.

It is an amenable number.

27678352 is an abundant number, since it is smaller than the sum of its proper divisors (30074028).

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

27678352 is a wasteful number, since it uses less digits than its factorization.

27678352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133090 (or 133084 counting only the distinct ones).

The product of its digits is 141120, while the sum is 40.

The square root of 27678352 is about 5261.0219539553. The cubic root of 27678352 is about 302.4916629080.

The spelling of 27678352 in words is "twenty-seven million, six hundred seventy-eight thousand, three hundred fifty-two".