27261393 has 4 divisors (see below), whose sum is σ = 36348528. Its totient is φ = 18174260.

The previous prime is 27261349. The next prime is 27261407. The reversal of 27261393 is 39316272.

It is a happy number.

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 27261393 - 2⁹ = 27260881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27262393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4543563 + ... + 4543568.

It is an arithmetic number, because the mean of its divisors is an integer number (9087132).

Almost surely, 2^27261393 is an apocalyptic number.

It is an amenable number.

27261393 is a deficient number, since it is larger than the sum of its proper divisors (9087135).

27261393 is an equidigital number, since it uses as much as digits as its factorization.

27261393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9087134.

The product of its digits is 13608, while the sum is 33.

The square root of 27261393 is about 5221.2443919051. The cubic root of 27261393 is about 300.9650147158.

The spelling of 27261393 in words is "twenty-seven million, two hundred sixty-one thousand, three hundred ninety-three".