79213 has 4 divisors (see below), whose sum is σ = 80028. Its totient is φ = 78400.

The previous prime is 79201. The next prime is 79229. The reversal of 79213 is 31297.

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 can be written as a sum of positive squares in 2 ways, for example, as 29929 + 49284 = 173^2 + 222^2 .

It is a cyclic number.

It is not a de Polignac number, because 79213 - 2⁵ = 79181 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79273) 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, 238 + ... + 463.

It is an arithmetic number, because the mean of its divisors is an integer number (20007).

2⁷⁹²¹³ is an apocalyptic number.

It is an amenable number.

79213 is a deficient number, since it is larger than the sum of its proper divisors (815).

79213 is a wasteful number, since it uses less digits than its factorization.

79213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814.

The product of its digits is 378, while the sum is 22.

The square root of 79213 is about 281.4480413860. The cubic root of 79213 is about 42.9469329134.

It can be divided in two parts, 792 and 13, that multiplied together give a triangular number (10296 = T₁₄₃).

The spelling of 79213 in words is "seventy-nine thousand, two hundred thirteen".