704543 has 4 divisors (see below), whose sum is σ = 805200. Its totient is φ = 603888.

The previous prime is 704527. The next prime is 704549. The reversal of 704543 is 345407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345407 = 211 ⋅1637.

It is a cyclic number.

It is not a de Polignac number, because 704543 - 2⁴ = 704527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (704549) 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, 50318 + ... + 50331.

It is an arithmetic number, because the mean of its divisors is an integer number (201300).

2⁷⁰⁴⁵⁴³ is an apocalyptic number.

704543 is a deficient number, since it is larger than the sum of its proper divisors (100657).

704543 is a wasteful number, since it uses less digits than its factorization.

704543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100656.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 704543 is about 839.3705975313. The cubic root of 704543 is about 88.9820693584.

The spelling of 704543 in words is "seven hundred four thousand, five hundred forty-three".