709340 has 24 divisors (see below), whose sum is σ = 1542240. Its totient is φ = 273728.

The previous prime is 709337. The next prime is 709349. The reversal of 709340 is 43907.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32 + ... + 1191.

It is an arithmetic number, because the mean of its divisors is an integer number (64260).

2⁷⁰⁹³⁴⁰ 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 709340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (771120).

709340 is an abundant number, since it is smaller than the sum of its proper divisors (832900).

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

709340 is a wasteful number, since it uses less digits than its factorization.

709340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261 (or 1259 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 709340 is about 842.2232483137. The cubic root of 709340 is about 89.1835625633.

The spelling of 709340 in words is "seven hundred nine thousand, three hundred forty".