27233421 has 4 divisors (see below), whose sum is σ = 36311232. Its totient is φ = 18155612.

The previous prime is 27233419. The next prime is 27233431. The reversal of 27233421 is 12433272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27233421 - 2¹ = 27233419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27233391 and 27233400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27233431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4538901 + ... + 4538906.

It is an arithmetic number, because the mean of its divisors is an integer number (9077808).

Almost surely, 2^27233421 is an apocalyptic number.

It is an amenable number.

27233421 is a deficient number, since it is larger than the sum of its proper divisors (9077811).

27233421 is an equidigital number, since it uses as much as digits as its factorization.

27233421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9077810.

The product of its digits is 2016, while the sum is 24.

The square root of 27233421 is about 5218.5650326503. The cubic root of 27233421 is about 300.8620427904.

Adding to 27233421 its reverse (12433272), we get a palindrome (39666693).

The spelling of 27233421 in words is "twenty-seven million, two hundred thirty-three thousand, four hundred twenty-one".