709493 has 4 divisors (see below), whose sum is σ = 711180. Its totient is φ = 707808.

The previous prime is 709469. The next prime is 709507. The reversal of 709493 is 394907.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 394907 = 109 ⋅3623.

It can be written as a sum of positive squares in 2 ways, for example, as 611524 + 97969 = 782^2 + 313^2 .

It is a cyclic number.

It is not a de Polignac number, because 709493 - 2⁸ = 709237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (709433) 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, 371 + ... + 1247.

It is an arithmetic number, because the mean of its divisors is an integer number (177795).

2⁷⁰⁹⁴⁹³ is an apocalyptic number.

It is an amenable number.

709493 is a deficient number, since it is larger than the sum of its proper divisors (1687).

709493 is an equidigital number, since it uses as much as digits as its factorization.

709493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 709493 is about 842.3140744402. The cubic root of 709493 is about 89.1899742061.

The spelling of 709493 in words is "seven hundred nine thousand, four hundred ninety-three".