705711 has 8 divisors (see below), whose sum is σ = 955264. Its totient is φ = 463320.

The previous prime is 705689. The next prime is 705713. The reversal of 705711 is 117507.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 705711 - 2¹⁰ = 704687 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 (705713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1555 + ... + 1956.

It is an arithmetic number, because the mean of its divisors is an integer number (119408).

2⁷⁰⁵⁷¹¹ is an apocalyptic number.

705711 is a deficient number, since it is larger than the sum of its proper divisors (249553).

705711 is a wasteful number, since it uses less digits than its factorization.

705711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3581.

The product of its (nonzero) digits is 245, while the sum is 21.

The square root of 705711 is about 840.0660688303. The cubic root of 705711 is about 89.0312140650.

The spelling of 705711 in words is "seven hundred five thousand, seven hundred eleven".