79620 has 24 divisors (see below), whose sum is σ = 223104. Its totient is φ = 21216.

The previous prime is 79613. The next prime is 79621. The reversal of 79620 is 2697.

It is not an unprimeable number, because it can be changed into a prime (79621) by changing a digit.

79620 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604 + ... + 723.

It is an arithmetic number, because the mean of its divisors is an integer number (9296).

2⁷⁹⁶²⁰ is an apocalyptic number.

It is an amenable number.

79620 is an abundant number, since it is smaller than the sum of its proper divisors (143484).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111552).

79620 is a wasteful number, since it uses less digits than its factorization.

79620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339 (or 1337 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 79620 is about 282.1701614275. The cubic root of 79620 is about 43.0203617285.

The spelling of 79620 in words is "seventy-nine thousand, six hundred twenty".