709273 has 2 divisors, whose sum is σ = 709274. Its totient is φ = 709272.

The previous prime is 709271. The next prime is 709279. The reversal of 709273 is 372907.

It is a happy number.

709273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 559504 + 149769 = 748^2 + 387^2 .

It is a cyclic number.

It is not a de Polignac number, because 709273 - 2¹ = 709271 is a prime.

Together with 709271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (709271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354636 + 354637.

It is an arithmetic number, because the mean of its divisors is an integer number (354637).

2⁷⁰⁹²⁷³ is an apocalyptic number.

It is an amenable number.

709273 is a deficient number, since it is larger than the sum of its proper divisors (1).

709273 is an equidigital number, since it uses as much as digits as its factorization.

709273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 709273 is about 842.1834716972. The cubic root of 709273 is about 89.1807545602.

The spelling of 709273 in words is "seven hundred nine thousand, two hundred seventy-three".