705580 has 12 divisors (see below), whose sum is σ = 1481760. Its totient is φ = 282224.

The previous prime is 705559. The next prime is 705613. The reversal of 705580 is 85507.

It is a super-3 number, since 3×705580³ = 1053804480543336000, 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, 17620 + ... + 17659.

It is an arithmetic number, because the mean of its divisors is an integer number (123480).

2⁷⁰⁵⁵⁸⁰ is an apocalyptic number.

It is an amenable number.

705580 is an abundant number, since it is smaller than the sum of its proper divisors (776180).

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

705580 is a wasteful number, since it uses less digits than its factorization.

705580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35288 (or 35286 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 705580 is about 839.9880951537. The cubic root of 705580 is about 89.0257048170.

The spelling of 705580 in words is "seven hundred five thousand, five hundred eighty".