79530 has 32 divisors (see below), whose sum is σ = 209088. Its totient is φ = 19200.

The previous prime is 79493. The next prime is 79531. The reversal of 79530 is 3597.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 79530.

It is not an unprimeable number, because it can be changed into a prime (79531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210 + ... + 450.

It is an arithmetic number, because the mean of its divisors is an integer number (6534).

2⁷⁹⁵³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104544).

79530 is an abundant number, since it is smaller than the sum of its proper divisors (129558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79530 is a wasteful number, since it uses less digits than its factorization.

79530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262.

The product of its (nonzero) digits is 945, while the sum is 24.

The square root of 79530 is about 282.0106380972. The cubic root of 79530 is about 43.0041459857.

The spelling of 79530 in words is "seventy-nine thousand, five hundred thirty".