79240 has 32 divisors (see below), whose sum is σ = 204480. Its totient is φ = 27072.

The previous prime is 79231. The next prime is 79241. The reversal of 79240 is 4297.

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 (79241) by changing a digit.

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, 139 + ... + 421.

It is an arithmetic number, because the mean of its divisors is an integer number (6390).

2⁷⁹²⁴⁰ is an apocalyptic number.

79240 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102240).

79240 is an abundant number, since it is smaller than the sum of its proper divisors (125240).

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

79240 is a wasteful number, since it uses less digits than its factorization.

79240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 79240 is about 281.4960035240. The cubic root of 79240 is about 42.9518118914.

The spelling of 79240 in words is "seventy-nine thousand, two hundred forty".