27270947 has 8 divisors (see below), whose sum is σ = 31316160. Its totient is φ = 23486760.

The previous prime is 27270931. The next prime is 27270953. The reversal of 27270947 is 74907272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27270947 - 2⁴ = 27270931 is a prime.

It is an alternating number because its digits alternate between even and odd.

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 27270947.

It is not an unprimeable number, because it can be changed into a prime (27270967) 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 7 ways as a sum of consecutive naturals, for example, 65033 + ... + 65450.

It is an arithmetic number, because the mean of its divisors is an integer number (3914520).

Almost surely, 2^27270947 is an apocalyptic number.

27270947 is a deficient number, since it is larger than the sum of its proper divisors (4045213).

27270947 is a wasteful number, since it uses less digits than its factorization.

27270947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130513.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 27270947 is about 5222.1592277524. The cubic root of 27270947 is about 301.0001692401. Note that the first 3 decimals are identical.

The spelling of 27270947 in words is "twenty-seven million, two hundred seventy thousand, nine hundred forty-seven".