27047953 has 4 divisors (see below), whose sum is σ = 27059440. Its totient is φ = 27036468.

The previous prime is 27047939. The next prime is 27047959. The reversal of 27047953 is 35974072.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 27047953 - 2⁵ = 27047921 is a prime.

It is a super-2 number, since 2×27047953² = 1463183522980418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27047959) 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 3 ways as a sum of consecutive naturals, for example, 783 + ... + 7396.

It is an arithmetic number, because the mean of its divisors is an integer number (6764860).

Almost surely, 2^27047953 is an apocalyptic number.

It is an amenable number.

27047953 is a deficient number, since it is larger than the sum of its proper divisors (11487).

27047953 is an equidigital number, since it uses as much as digits as its factorization.

27047953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11486.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 27047953 is about 5200.7646553175. The cubic root of 27047953 is about 300.1774986637.

The spelling of 27047953 in words is "twenty-seven million, forty-seven thousand, nine hundred fifty-three".