707220 has 36 divisors (see below), whose sum is σ = 2145780. Its totient is φ = 188544.

The previous prime is 707219. The next prime is 707249. The reversal of 707220 is 22707.

It can be written as a sum of positive squares in 2 ways, for example, as 171396 + 535824 = 414^2 + 732^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 707193 and 707202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1785 + ... + 2144.

It is an arithmetic number, because the mean of its divisors is an integer number (59605).

2⁷⁰⁷²²⁰ is an apocalyptic number.

It is an amenable number.

707220 is an abundant number, since it is smaller than the sum of its proper divisors (1438560).

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

707220 is a wasteful number, since it uses less digits than its factorization.

707220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3944 (or 3939 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 18.

The square root of 707220 is about 840.9637328684. The cubic root of 707220 is about 89.0946264525.

Adding to 707220 its reverse (22707), we get a palindrome (729927).

The spelling of 707220 in words is "seven hundred seven thousand, two hundred twenty", and thus it is an iban number.