705755 has 24 divisors (see below), whose sum is σ = 987552. Its totient is φ = 481536.

The previous prime is 705751. The next prime is 705763. The reversal of 705755 is 557507.

It is not a de Polignac number, because 705755 - 2² = 705751 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (705751) 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 23 ways as a sum of consecutive naturals, for example, 30674 + ... + 30696.

It is an arithmetic number, because the mean of its divisors is an integer number (41148).

2⁷⁰⁵⁷⁵⁵ is an apocalyptic number.

705755 is a deficient number, since it is larger than the sum of its proper divisors (281797).

705755 is a wasteful number, since it uses less digits than its factorization.

705755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 6125, while the sum is 29.

The square root of 705755 is about 840.0922568385. The cubic root of 705755 is about 89.0330643465.

The spelling of 705755 in words is "seven hundred five thousand, seven hundred fifty-five".