709943 has 8 divisors (see below), whose sum is σ = 773808. Its totient is φ = 647424.

The previous prime is 709927. The next prime is 709957. The reversal of 709943 is 349907.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 709943 - 2⁴ = 709927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 709943.

It is not an unprimeable number, because it can be changed into a prime (709913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 980 + ... + 1542.

It is an arithmetic number, because the mean of its divisors is an integer number (96726).

2⁷⁰⁹⁹⁴³ is an apocalyptic number.

709943 is a deficient number, since it is larger than the sum of its proper divisors (63865).

709943 is a wasteful number, since it uses less digits than its factorization.

709943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 709943 is about 842.5811533615. The cubic root of 709943 is about 89.2088266383.

The spelling of 709943 in words is "seven hundred nine thousand, nine hundred forty-three".