270740 has 12 divisors (see below), whose sum is σ = 568596. Its totient is φ = 108288.

The previous prime is 270737. The next prime is 270749. The reversal of 270740 is 47072.

It can be written as a sum of positive squares in 2 ways, for example, as 198916 + 71824 = 446^2 + 268^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 13537 = 270740 / (2 + 7 + 0 + 7 + 4 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (270749) 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, 6749 + ... + 6788.

It is an arithmetic number, because the mean of its divisors is an integer number (47383).

2²⁷⁰⁷⁴⁰ is an apocalyptic number.

270740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

270740 is an abundant number, since it is smaller than the sum of its proper divisors (297856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

270740 is a wasteful number, since it uses less digits than its factorization.

270740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13546 (or 13544 counting only the distinct ones).

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

The square root of 270740 is about 520.3268203735. The cubic root of 270740 is about 64.6920343076.

The spelling of 270740 in words is "two hundred seventy thousand, seven hundred forty", and thus it is an iban number.