2730543 has 16 divisors (see below), whose sum is σ = 3797376. Its totient is φ = 1743840.

The previous prime is 2730529. The next prime is 2730569. The reversal of 2730543 is 3450372.

It is not a de Polignac number, because 2730543 - 2¹³ = 2722351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2730593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7696 + ... + 8042.

It is an arithmetic number, because the mean of its divisors is an integer number (237336).

2^2730543 is an apocalyptic number.

2730543 is a deficient number, since it is larger than the sum of its proper divisors (1066833).

2730543 is a wasteful number, since it uses less digits than its factorization.

2730543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 2730543 is about 1652.4354752909. The cubic root of 2730543 is about 139.7707643106.

The spelling of 2730543 in words is "two million, seven hundred thirty thousand, five hundred forty-three".