2730320 has 20 divisors (see below), whose sum is σ = 6348180. Its totient is φ = 1092096.

The previous prime is 2730271. The next prime is 2730347. The reversal of 2730320 is 230372.

It can be written as a sum of positive squares in 2 ways, for example, as 633616 + 2096704 = 796^2 + 1448^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16985 + ... + 17144.

It is an arithmetic number, because the mean of its divisors is an integer number (317409).

2^2730320 is an apocalyptic number.

2730320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2730320 is an abundant number, since it is smaller than the sum of its proper divisors (3617860).

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

2730320 is a wasteful number, since it uses less digits than its factorization.

2730320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34142 (or 34136 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 17.

The square root of 2730320 is about 1652.3679977535. The cubic root of 2730320 is about 139.7669592398.

Adding to 2730320 its reverse (230372), we get a palindrome (2960692).

The spelling of 2730320 in words is "two million, seven hundred thirty thousand, three hundred twenty".