79243 has 4 divisors (see below), whose sum is σ = 80080. Its totient is φ = 78408.

The previous prime is 79241. The next prime is 79259. The reversal of 79243 is 34297.

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.

It is a cyclic number.

It is not a de Polignac number, because 79243 - 2¹ = 79241 is a prime.

It is the 282-nd Hogben number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (79241) by changing a digit.

It is a nontrivial repunit in base 281.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255 + ... + 472.

It is an arithmetic number, because the mean of its divisors is an integer number (20020).

2⁷⁹²⁴³ is an apocalyptic number.

79243 is a deficient number, since it is larger than the sum of its proper divisors (837).

79243 is a wasteful number, since it uses less digits than its factorization.

79243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836.

The product of its digits is 1512, while the sum is 25.

The square root of 79243 is about 281.5013321460. The cubic root of 79243 is about 42.9523539317.

The spelling of 79243 in words is "seventy-nine thousand, two hundred forty-three".