709443 has 12 divisors (see below), whose sum is σ = 1171248. Its totient is φ = 405360.

The previous prime is 709433. The next prime is 709447. The reversal of 709443 is 344907.

709443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 709443 - 2¹⁷ = 578371 is a prime.

It is a d-powerful number, because it can be written as 7³ + 0 + 4⁴ + 9⁶ + 4⁴ + 3¹¹ .

709443 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 709443.

It is not an unprimeable number, because it can be changed into a prime (709447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5568 + ... + 5693.

It is an arithmetic number, because the mean of its divisors is an integer number (97604).

2⁷⁰⁹⁴⁴³ is an apocalyptic number.

709443 is a deficient number, since it is larger than the sum of its proper divisors (461805).

709443 is a wasteful number, since it uses less digits than its factorization.

709443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11274 (or 11271 counting only the distinct ones).

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

The square root of 709443 is about 842.2843937768. The cubic root of 709443 is about 89.1878789994.

The spelling of 709443 in words is "seven hundred nine thousand, four hundred forty-three".