705018 has 8 divisors (see below), whose sum is σ = 1410048. Its totient is φ = 235004.

The previous prime is 705017. The next prime is 705031. The reversal of 705018 is 810507.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

705018 is an admirable number.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 704985 and 705003.

It is not an unprimeable number, because it can be changed into a prime (705011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58746 + ... + 58757.

It is an arithmetic number, because the mean of its divisors is an integer number (176256).

2⁷⁰⁵⁰¹⁸ is an apocalyptic number.

705018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

705018 is a wasteful number, since it uses less digits than its factorization.

705018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117508.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 705018 is about 839.6534999629. The cubic root of 705018 is about 89.0020619814.

The spelling of 705018 in words is "seven hundred five thousand, eighteen".