705349 has 4 divisors (see below), whose sum is σ = 708736. Its totient is φ = 701964.

The previous prime is 705317. The next prime is 705389. The reversal of 705349 is 943507.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 943507 = 433 ⋅2179.

It is a cyclic number.

It is not a de Polignac number, because 705349 - 2⁵ = 705317 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 (705389) 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, 1359 + ... + 1804.

It is an arithmetic number, because the mean of its divisors is an integer number (177184).

2⁷⁰⁵³⁴⁹ is an apocalyptic number.

It is an amenable number.

705349 is a deficient number, since it is larger than the sum of its proper divisors (3387).

705349 is a wasteful number, since it uses less digits than its factorization.

705349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3386.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 705349 is about 839.8505819490. The cubic root of 705349 is about 89.0159883745.

The spelling of 705349 in words is "seven hundred five thousand, three hundred forty-nine".