27824330 has 16 divisors (see below), whose sum is σ = 50172264. Its totient is φ = 11110080.

The previous prime is 27824299. The next prime is 27824347. The reversal of 27824330 is 3342872.

It can be written as a sum of positive squares in 4 ways, for example, as 25331089 + 2493241 = 5033^2 + 1579^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27824293 and 27824302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4400 + ... + 8660.

Almost surely, 2^27824330 is an apocalyptic number.

27824330 is a deficient number, since it is larger than the sum of its proper divisors (22347934).

27824330 is a wasteful number, since it uses less digits than its factorization.

27824330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4921.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 27824330 is about 5274.8772497566. The cubic root of 27824330 is about 303.0225197203.

The spelling of 27824330 in words is "twenty-seven million, eight hundred twenty-four thousand, three hundred thirty".