791280 has 120 divisors (see below), whose sum is σ = 3056352. Its totient is φ = 179712.

The previous prime is 791261. The next prime is 791291. The reversal of 791280 is 82197.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×791280² = 1252248076800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4962 + ... + 5118.

2⁷⁹¹²⁸⁰ is an apocalyptic number.

791280 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 791280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1528176).

791280 is an abundant number, since it is smaller than the sum of its proper divisors (2265072).

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

791280 is a wasteful number, since it uses less digits than its factorization.

791280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 791280 is about 889.5392065558. The cubic root of 791280 is about 92.4932549257.

The spelling of 791280 in words is "seven hundred ninety-one thousand, two hundred eighty".