27380723 has 4 divisors (see below), whose sum is σ = 28017528. Its totient is φ = 26743920.

The previous prime is 27380711. The next prime is 27380747. The reversal of 27380723 is 32708372.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27380723 - 2⁸ = 27380467 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27380723.

It is not an unprimeable number, because it can be changed into a prime (27380753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318338 + ... + 318423.

It is an arithmetic number, because the mean of its divisors is an integer number (7004382).

Almost surely, 2^27380723 is an apocalyptic number.

27380723 is a deficient number, since it is larger than the sum of its proper divisors (636805).

27380723 is an equidigital number, since it uses as much as digits as its factorization.

27380723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636804.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 27380723 is about 5232.6592665680. The cubic root of 27380723 is about 301.4035088222.

The spelling of 27380723 in words is "twenty-seven million, three hundred eighty thousand, seven hundred twenty-three".