7318880 has 48 divisors (see below), whose sum is σ = 17463600. Its totient is φ = 2898432.

The previous prime is 7318867. The next prime is 7318889. The reversal of 7318880 is 888137.

It is an Ulam number.

It is a nialpdrome in base 14 and base 15.

It is a zygodrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 7318880.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7318889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23687 + ... + 23993.

It is an arithmetic number, because the mean of its divisors is an integer number (363825).

Almost surely, 2^7318880 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 7318880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8731800).

7318880 is an abundant number, since it is smaller than the sum of its proper divisors (10144720).

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

7318880 is a wasteful number, since it uses less digits than its factorization.

7318880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471 (or 463 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 7318880 is about 2705.3428618199. The cubic root of 7318880 is about 194.1548344103.

The spelling of 7318880 in words is "seven million, three hundred eighteen thousand, eight hundred eighty".