27733121 has 8 divisors (see below), whose sum is σ = 29930880. Its totient is φ = 25544592.

The previous prime is 27733073. The next prime is 27733133. The reversal of 27733121 is 12133772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27733121 - 2¹⁰ = 27732097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27733021) 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 7 ways as a sum of consecutive naturals, for example, 4760 + ... + 8838.

It is an arithmetic number, because the mean of its divisors is an integer number (3741360).

Almost surely, 2^27733121 is an apocalyptic number.

It is an amenable number.

27733121 is a deficient number, since it is larger than the sum of its proper divisors (2197759).

27733121 is a wasteful number, since it uses less digits than its factorization.

27733121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4615.

The product of its digits is 1764, while the sum is 26.

The square root of 27733121 is about 5266.2245489535. The cubic root of 27733121 is about 302.6910515899.

Adding to 27733121 its reverse (12133772), we get a palindrome (39866893).

The spelling of 27733121 in words is "twenty-seven million, seven hundred thirty-three thousand, one hundred twenty-one".