2748530 has 8 divisors (see below), whose sum is σ = 4947372. Its totient is φ = 1099408.

The previous prime is 2748503. The next prime is 2748547. The reversal of 2748530 is 358472.

It is a happy number.

2748530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2271049 + 477481 = 1507^2 + 691^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2748493 and 2748502.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 137417 + ... + 137436.

2^2748530 is an apocalyptic number.

2748530 is a deficient number, since it is larger than the sum of its proper divisors (2198842).

2748530 is a wasteful number, since it uses less digits than its factorization.

2748530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274860.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 2748530 is about 1657.8691142548. The cubic root of 2748530 is about 140.0769984603.

The spelling of 2748530 in words is "two million, seven hundred forty-eight thousand, five hundred thirty".