709369 has 8 divisors (see below), whose sum is σ = 747720. Its totient is φ = 672000.

The previous prime is 709351. The next prime is 709381. The reversal of 709369 is 963907.

It can be written as a sum of positive squares in 4 ways, for example, as 131769 + 577600 = 363^2 + 760^2 .

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 709369 - 2⁵ = 709337 is a prime.

It is a super-2 number, since 2×709369² = 1006408756322, which contains 22 as substring.

It is a Duffinian number.

709369 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (709349) 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, 1569 + ... + 1969.

It is an arithmetic number, because the mean of its divisors is an integer number (93465).

2⁷⁰⁹³⁶⁹ is an apocalyptic number.

It is an amenable number.

709369 is a deficient number, since it is larger than the sum of its proper divisors (38351).

709369 is a wasteful number, since it uses less digits than its factorization.

709369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 709369 is about 842.2404644756. The cubic root of 709369 is about 89.1847779128.

The spelling of 709369 in words is "seven hundred nine thousand, three hundred sixty-nine".