705748 has 12 divisors (see below), whose sum is σ = 1258740. Its totient is φ = 346112.

The previous prime is 705737. The next prime is 705751. The reversal of 705748 is 847507.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 394384 + 311364 = 628^2 + 558^2 .

It is a congruent number.

It is an unprimeable number.

705748 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1453 + ... + 1876.

It is an arithmetic number, because the mean of its divisors is an integer number (104895).

2⁷⁰⁵⁷⁴⁸ is an apocalyptic number.

It is an amenable number.

705748 is a deficient number, since it is larger than the sum of its proper divisors (552992).

705748 is a wasteful number, since it uses less digits than its factorization.

705748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3386 (or 3384 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 705748 is about 840.0880906191. The cubic root of 705748 is about 89.0327699887.

The spelling of 705748 in words is "seven hundred five thousand, seven hundred forty-eight".