705039 has 4 divisors (see below), whose sum is σ = 940056. Its totient is φ = 470024.

The previous prime is 705031. The next prime is 705043. The reversal of 705039 is 930507.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 930507 = 3 ⋅310169.

It is a cyclic number.

It is not a de Polignac number, because 705039 - 2³ = 705031 is a prime.

It is a D-number.

705039 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705031) 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, 117504 + ... + 117509.

It is an arithmetic number, because the mean of its divisors is an integer number (235014).

2⁷⁰⁵⁰³⁹ is an apocalyptic number.

705039 is a deficient number, since it is larger than the sum of its proper divisors (235017).

705039 is a wasteful number, since it uses less digits than its factorization.

705039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235016.

The product of its (nonzero) digits is 945, while the sum is 24.

The square root of 705039 is about 839.6660050282. Note that the first 3 decimals coincide. The cubic root of 705039 is about 89.0029456585.

The spelling of 705039 in words is "seven hundred five thousand, thirty-nine".