709280 has 96 divisors (see below), whose sum is σ = 2032128. Its totient is φ = 230400.

The previous prime is 709279. The next prime is 709283. The reversal of 709280 is 82907.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a plaindrome in base 14.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (709283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22865 + ... + 22895.

It is an arithmetic number, because the mean of its divisors is an integer number (21168).

2⁷⁰⁹²⁸⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 709280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1016064).

709280 is an abundant number, since it is smaller than the sum of its proper divisors (1322848).

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

709280 is a wasteful number, since it uses less digits than its factorization.

709280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 709280 is about 842.1876275510. The cubic root of 709280 is about 89.1810479419.

It can be divided in two parts, 709 and 280, that added together give a palindrome (989).

The spelling of 709280 in words is "seven hundred nine thousand, two hundred eighty".