27756330 has 32 divisors (see below), whose sum is σ = 76132224. Its totient is φ = 6344256.

The previous prime is 27756329. The next prime is 27756343. The reversal of 27756330 is 3365772.

It is a junction number, because it is equal to n+sod(n) for n = 27756291 and 27756300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65877 + ... + 66296.

It is an arithmetic number, because the mean of its divisors is an integer number (2379132).

Almost surely, 2^27756330 is an apocalyptic number.

27756330 is an abundant number, since it is smaller than the sum of its proper divisors (48375894).

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

27756330 is a wasteful number, since it uses less digits than its factorization.

27756330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132190.

The product of its (nonzero) digits is 26460, while the sum is 33.

The square root of 27756330 is about 5268.4276591788. The cubic root of 27756330 is about 302.7754656714.

The spelling of 27756330 in words is "twenty-seven million, seven hundred fifty-six thousand, three hundred thirty".