27927252 has 18 divisors (see below), whose sum is σ = 70593978. Its totient is φ = 9309072.

The previous prime is 27927247. The next prime is 27927257. The reversal of 27927252 is 25272972.

It is an interprime number because it is at equal distance from previous prime (27927247) and next prime (27927257).

It can be written as a sum of positive squares in only one way, i.e., 27499536 + 427716 = 5244^2 + 654^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 775757 = 27927252 / (2 + 7 + 9 + 2 + 7 + 2 + 5 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27927257) 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, 387843 + ... + 387914.

Almost surely, 2^27927252 is an apocalyptic number.

It is an amenable number.

27927252 is an abundant number, since it is smaller than the sum of its proper divisors (42666726).

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

27927252 is a wasteful number, since it uses less digits than its factorization.

27927252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775767 (or 775762 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 27927252 is about 5284.6241115145. The cubic root of 27927252 is about 303.3956860375.

The spelling of 27927252 in words is "twenty-seven million, nine hundred twenty-seven thousand, two hundred fifty-two".