2704563 has 8 divisors (see below), whose sum is σ = 4006800. Its totient is φ = 1803024.

The previous prime is 2704553. The next prime is 2704567. The reversal of 2704563 is 3654072.

It is a happy number.

It is not a de Polignac number, because 2704563 - 2¹⁷ = 2573491 is a prime.

It is a super-2 number, since 2×2704563² = 14629322041938, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 100169 = 2704563 / (2 + 7 + 0 + 4 + 5 + 6 + 3).

It is an Ulam number.

2704563 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2704567) 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, 50058 + ... + 50111.

It is an arithmetic number, because the mean of its divisors is an integer number (500850).

2^2704563 is an apocalyptic number.

2704563 is a deficient number, since it is larger than the sum of its proper divisors (1302237).

2704563 is a wasteful number, since it uses less digits than its factorization.

2704563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100178 (or 100172 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 2704563 is about 1644.5555630626. Note that the first 4 decimals coincide. The cubic root of 2704563 is about 139.3260637116.

The spelling of 2704563 in words is "two million, seven hundred four thousand, five hundred sixty-three".