709073 has 4 divisors (see below), whose sum is σ = 711348. Its totient is φ = 706800.

The previous prime is 709057. The next prime is 709097. The reversal of 709073 is 370907.

It is a happy number.

709073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 370907 = 167 ⋅2221.

It can be written as a sum of positive squares in 2 ways, for example, as 200704 + 508369 = 448^2 + 713^2 .

It is a cyclic number.

It is not a de Polignac number, because 709073 - 2⁴ = 709057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (709043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578 + ... + 1323.

It is an arithmetic number, because the mean of its divisors is an integer number (177837).

2⁷⁰⁹⁰⁷³ is an apocalyptic number.

It is an amenable number.

709073 is a deficient number, since it is larger than the sum of its proper divisors (2275).

709073 is a wasteful number, since it uses less digits than its factorization.

709073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274.

The product of its (nonzero) digits is 1323, while the sum is 26.

The square root of 709073 is about 842.0647243532. The cubic root of 709073 is about 89.1723714094.

The spelling of 709073 in words is "seven hundred nine thousand, seventy-three".