2730563 has 8 divisors (see below), whose sum is σ = 3059760.
Its totient is φ = 2414880.
The previous prime is 2730529. The next prime is 2730569. The reversal of 2730563 is 3650372.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2730563 - 210 = 2729539 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2730569) 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, 2948 + ... + 3761.
It is an arithmetic number, because the mean of its divisors is an integer number (382470).
22730563 is an apocalyptic number.
2730563 is a deficient number, since it is larger than the sum of its proper divisors (329197).
2730563 is a wasteful number, since it uses less digits than its factorization.
2730563 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6757.
The product of its (nonzero) digits is 3780, while the sum is 26.
The square root of 2730563 is about 1652.4415269534.
The cubic root of 2730563 is about 139.7711055625.
The spelling of 2730563 in words is "two million, seven hundred thirty thousand, five hundred sixty-three".