709344 has 48 divisors (see below), whose sum is σ = 2071440. Its totient is φ = 236160.

The previous prime is 709337. The next prime is 709349. The reversal of 709344 is 443907.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (709349) by changing a digit.

709344 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454 + ... + 1274.

It is an arithmetic number, because the mean of its divisors is an integer number (43155).

2⁷⁰⁹³⁴⁴ 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 709344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1035720).

709344 is an abundant number, since it is smaller than the sum of its proper divisors (1362096).

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

709344 is a wasteful number, since it uses less digits than its factorization.

709344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840 (or 826 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 709344 is about 842.2256229776. The cubic root of 709344 is about 89.1837301997.

The spelling of 709344 in words is "seven hundred nine thousand, three hundred forty-four".