705530 has 16 divisors (see below), whose sum is σ = 1451520. Its totient is φ = 241872.

The previous prime is 705521. The next prime is 705533. The reversal of 705530 is 35507.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (705533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4970 + ... + 5109.

It is an arithmetic number, because the mean of its divisors is an integer number (90720).

2⁷⁰⁵⁵³⁰ is an apocalyptic number.

705530 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

705530 is an abundant number, since it is smaller than the sum of its proper divisors (745990).

It is a weird number, because it is abundant, but not a pseudoperfect number.

705530 is a wasteful number, since it uses less digits than its factorization.

705530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10093.

The product of its (nonzero) digits is 525, while the sum is 20.

The square root of 705530 is about 839.9583322999. The cubic root of 705530 is about 89.0236018708.

The spelling of 705530 in words is "seven hundred five thousand, five hundred thirty".