709673 has 2 divisors, whose sum is σ = 709674. Its totient is φ = 709672.

The previous prime is 709663. The next prime is 709679. The reversal of 709673 is 376907.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 399424 + 310249 = 632^2 + 557^2 .

It is a cyclic number.

It is not a de Polignac number, because 709673 - 2⁶ = 709609 is a prime.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (709679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354836 + 354837.

It is an arithmetic number, because the mean of its divisors is an integer number (354837).

2⁷⁰⁹⁶⁷³ is an apocalyptic number.

It is an amenable number.

709673 is a deficient number, since it is larger than the sum of its proper divisors (1).

709673 is an equidigital number, since it uses as much as digits as its factorization.

709673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 709673 is about 842.4209161696. The cubic root of 709673 is about 89.1975161353.

The spelling of 709673 in words is "seven hundred nine thousand, six hundred seventy-three".