79000 has 32 divisors (see below), whose sum is σ = 187200. Its totient is φ = 31200.

The previous prime is 78989. The next prime is 79031. The reversal of 79000 is 97.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

79000 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, 961 + ... + 1039.

It is an arithmetic number, because the mean of its divisors is an integer number (5850).

2⁷⁹⁰⁰⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93600).

79000 is an abundant number, since it is smaller than the sum of its proper divisors (108200).

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

79000 is a wasteful number, since it uses less digits than its factorization.

79000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 63, while the sum is 16.

The square root of 79000 is about 281.0693864511. The cubic root of 79000 is about 42.9084042703.

Adding to 79000 its reverse (97), we get a palindrome (79097).

The spelling of 79000 in words is "seventy-nine thousand".