705320 has 64 divisors (see below), whose sum is σ = 1987200. Its totient is φ = 218880.

The previous prime is 705317. The next prime is 705389. The reversal of 705320 is 23507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2966 + ... + 3194.

It is an arithmetic number, because the mean of its divisors is an integer number (31050).

2⁷⁰⁵³²⁰ is an apocalyptic number.

705320 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 705320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (993600).

705320 is an abundant number, since it is smaller than the sum of its proper divisors (1281880).

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

705320 is a wasteful number, since it uses less digits than its factorization.

705320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 17.

The square root of 705320 is about 839.8333167957. The cubic root of 705320 is about 89.0147684115.

Adding to 705320 its reverse (23507), we get a palindrome (728827).

The spelling of 705320 in words is "seven hundred five thousand, three hundred twenty".