260730 has 24 divisors (see below), whose sum is σ = 678132. Its totient is φ = 69504.

The previous prime is 260723. The next prime is 260747. The reversal of 260730 is 37062.

260730 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 239121 + 21609 = 489^2 + 147^2 .

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

It is an unprimeable number.

260730 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1359 + ... + 1538.

2²⁶⁰⁷³⁰ is an apocalyptic number.

260730 is an abundant number, since it is smaller than the sum of its proper divisors (417402).

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

260730 is a wasteful number, since it uses less digits than its factorization.

260730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2910 (or 2907 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 260730 is about 510.6172735034. The cubic root of 260730 is about 63.8847208651.

Adding to 260730 its reverse (37062), we get a palindrome (297792).

It can be divided in two parts, 2607 and 30, that multiplied together give a triangular number (78210 = T₃₉₅).

The spelling of 260730 in words is "two hundred sixty thousand, seven hundred thirty".