79582 has 4 divisors (see below), whose sum is σ = 119376. Its totient is φ = 39790.

The previous prime is 79579. The next prime is 79589. The reversal of 79582 is 28597.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a plaindrome in base 8 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19894 + ... + 19897.

It is an arithmetic number, because the mean of its divisors is an integer number (29844).

2⁷⁹⁵⁸² is an apocalyptic number.

79582 is a deficient number, since it is larger than the sum of its proper divisors (39794).

79582 is a wasteful number, since it uses less digits than its factorization.

79582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39793.

The product of its digits is 5040, while the sum is 31.

The square root of 79582 is about 282.1028181355. The cubic root of 79582 is about 43.0135165728.

The spelling of 79582 in words is "seventy-nine thousand, five hundred eighty-two".