705140 has 12 divisors (see below), whose sum is σ = 1480836. Its totient is φ = 282048.

The previous prime is 705137. The next prime is 705161. The reversal of 705140 is 41507.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 99856 + 605284 = 316^2 + 778^2 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 705140.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17609 + ... + 17648.

It is an arithmetic number, because the mean of its divisors is an integer number (123403).

2⁷⁰⁵¹⁴⁰ is an apocalyptic number.

It is an amenable number.

705140 is an abundant number, since it is smaller than the sum of its proper divisors (775696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

705140 is a wasteful number, since it uses less digits than its factorization.

705140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35266 (or 35264 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 705140 is about 839.7261458357. The cubic root of 705140 is about 89.0071954793.

Adding to 705140 its reverse (41507), we get a palindrome (746647).

The spelling of 705140 in words is "seven hundred five thousand, one hundred forty".