704563 has 4 divisors (see below), whose sum is σ = 707128. Its totient is φ = 702000.

The previous prime is 704551. The next prime is 704567. The reversal of 704563 is 365407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 365407 = 7 ⋅52201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-704563 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (704567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 813 + ... + 1438.

It is an arithmetic number, because the mean of its divisors is an integer number (176782).

2⁷⁰⁴⁵⁶³ is an apocalyptic number.

704563 is a deficient number, since it is larger than the sum of its proper divisors (2565).

704563 is a wasteful number, since it uses less digits than its factorization.

704563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2564.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 704563 is about 839.3825111354. The cubic root of 704563 is about 88.9829113342.

The spelling of 704563 in words is "seven hundred four thousand, five hundred sixty-three".