27470 has 16 divisors (see below), whose sum is σ = 51408. Its totient is φ = 10560.

The previous prime is 27457. The next prime is 27479. The reversal of 27470 is 7472.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377 + ... + 443.

It is an arithmetic number, because the mean of its divisors is an integer number (3213).

2²⁷⁴⁷⁰ is an apocalyptic number.

27470 is a deficient number, since it is larger than the sum of its proper divisors (23938).

27470 is a wasteful number, since it uses less digits than its factorization.

27470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115.

The product of its (nonzero) digits is 392, while the sum is 20.

The square root of 27470 is about 165.7407614318. The cubic root of 27470 is about 30.1730736708.

The spelling of 27470 in words is "twenty-seven thousand, four hundred seventy", and thus it is an iban number.