27480071 has 4 divisors (see below), whose sum is σ = 27828000. Its totient is φ = 27132144.

The previous prime is 27480049. The next prime is 27480077. The reversal of 27480071 is 17008472.

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 27480071 - 2¹⁰ = 27479047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27480077) 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, 173846 + ... + 174003.

It is an arithmetic number, because the mean of its divisors is an integer number (6957000).

Almost surely, 2^27480071 is an apocalyptic number.

27480071 is a deficient number, since it is larger than the sum of its proper divisors (347929).

27480071 is an equidigital number, since it uses as much as digits as its factorization.

27480071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347928.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 27480071 is about 5242.1437408755. The cubic root of 27480071 is about 301.7676055218.

The spelling of 27480071 in words is "twenty-seven million, four hundred eighty thousand, seventy-one".