797280 has 96 divisors (see below), whose sum is σ = 2757888. Its totient is φ = 192000.

The previous prime is 797273. The next prime is 797281. The reversal of 797280 is 82797.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797281) by changing a digit.

797280 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 15 ways as a sum of consecutive naturals, for example, 5205 + ... + 5355.

It is an arithmetic number, because the mean of its divisors is an integer number (28728).

2⁷⁹⁷²⁸⁰ 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 797280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1378944).

797280 is an abundant number, since it is smaller than the sum of its proper divisors (1960608).

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

797280 is a wasteful number, since it uses less digits than its factorization.

797280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 797280 is about 892.9053701261. The cubic root of 797280 is about 92.7264478624.

The spelling of 797280 in words is "seven hundred ninety-seven thousand, two hundred eighty".