705512 has 16 divisors (see below), whose sum is σ = 1368900. Its totient is φ = 340480.

The previous prime is 705499. The next prime is 705521. The reversal of 705512 is 215507.

705512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 630436 + 75076 = 794^2 + 274^2 .

It is a super-3 number, since 3×705512³ = 1053499829906333184, which contains 333 as substring.

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, 1289 + ... + 1752.

2⁷⁰⁵⁵¹² is an apocalyptic number.

It is an amenable number.

705512 is a deficient number, since it is larger than the sum of its proper divisors (663388).

705512 is a wasteful number, since it uses less digits than its factorization.

705512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3076 (or 3072 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 705512 is about 839.9476174143. The cubic root of 705512 is about 89.0228447858.

The spelling of 705512 in words is "seven hundred five thousand, five hundred twelve".