27243030 has 16 divisors (see below), whose sum is σ = 65383344. Its totient is φ = 7264800.

The previous prime is 27243001. The next prime is 27243031. The reversal of 27243030 is 3034272.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 27242988 and 27243006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27243031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454021 + ... + 454080.

It is an arithmetic number, because the mean of its divisors is an integer number (4086459).

Almost surely, 2^27243030 is an apocalyptic number.

27243030 is an abundant number, since it is smaller than the sum of its proper divisors (38140314).

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

27243030 is a wasteful number, since it uses less digits than its factorization.

27243030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908111.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 27243030 is about 5219.4856068390. The cubic root of 27243030 is about 300.8974238689.

The spelling of 27243030 in words is "twenty-seven million, two hundred forty-three thousand, thirty".