8071280 has 120 divisors (see below), whose sum is σ = 22900320. Its totient is φ = 2634240.

The previous prime is 8071267. The next prime is 8071307. The reversal of 8071280 is 821708.

It is a Cunningham number, because it is equal to 2841²-1.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113645 + ... + 113715.

It is an arithmetic number, because the mean of its divisors is an integer number (190836).

Almost surely, 2^8071280 is an apocalyptic number.

8071280 is a gapful number since it is divisible by the number (80) 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 8071280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11450160).

8071280 is an abundant number, since it is smaller than the sum of its proper divisors (14829040).

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

8071280 is a wasteful number, since it uses less digits than its factorization.

8071280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 8071280 is about 2840.9998240056. Note that the first 3 decimals coincide. The cubic root of 8071280 is about 200.5922445012.

Adding to 8071280 its reverse (821708), we get a palindrome (8892988).

The spelling of 8071280 in words is "eight million, seventy-one thousand, two hundred eighty".