27219052 has 24 divisors (see below), whose sum is σ = 56316960. Its totient is φ = 11262720.

The previous prime is 27219047. The next prime is 27219053. The reversal of 27219052 is 25091272.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 27219052.

It is not an unprimeable number, because it can be changed into a prime (27219053) 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, 15949 + ... + 17572.

It is an arithmetic number, because the mean of its divisors is an integer number (2346540).

Almost surely, 2^27219052 is an apocalyptic number.

It is an amenable number.

27219052 is an abundant number, since it is smaller than the sum of its proper divisors (29097908).

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

27219052 is a wasteful number, since it uses less digits than its factorization.

27219052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33561 (or 33559 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 27219052 is about 5217.1881315513. The cubic root of 27219052 is about 300.8091194940.

The spelling of 27219052 in words is "twenty-seven million, two hundred nineteen thousand, fifty-two".