27540801 has 6 divisors (see below), whose sum is σ = 39781170. Its totient is φ = 18360528.

The previous prime is 27540791. The next prime is 27540841. The reversal of 27540801 is 10804572.

It can be written as a sum of positive squares in only one way, i.e., 22810176 + 4730625 = 4776^2 + 2175^2 .

It is not a de Polignac number, because 27540801 - 2¹⁰ = 27539777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27540841) 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 5 ways as a sum of consecutive naturals, for example, 1530036 + ... + 1530053.

It is an arithmetic number, because the mean of its divisors is an integer number (6630195).

Almost surely, 2^27540801 is an apocalyptic number.

It is an amenable number.

27540801 is a deficient number, since it is larger than the sum of its proper divisors (12240369).

27540801 is a wasteful number, since it uses less digits than its factorization.

27540801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3060095 (or 3060092 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 27540801 is about 5247.9330216762. The cubic root of 27540801 is about 301.9897405985.

The spelling of 27540801 in words is "twenty-seven million, five hundred forty thousand, eight hundred one".