705030 has 32 divisors (see below), whose sum is σ = 1721088. Its totient is φ = 184800.

The previous prime is 705017. The next prime is 705031. The reversal of 705030 is 30507.

It is a Harshad number since it is a multiple of its sum of digits (15).

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

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1965 + ... + 2295.

It is an arithmetic number, because the mean of its divisors is an integer number (53784).

2⁷⁰⁵⁰³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 705030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (860544).

705030 is an abundant number, since it is smaller than the sum of its proper divisors (1016058).

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

705030 is a wasteful number, since it uses less digits than its factorization.

705030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412.

The product of its (nonzero) digits is 105, while the sum is 15.

The square root of 705030 is about 839.6606457373. The cubic root of 705030 is about 89.0025669419.

Adding to 705030 its reverse (30507), we get a palindrome (735537).

The spelling of 705030 in words is "seven hundred five thousand, thirty".