7130448 has 90 divisors (see below), whose sum is σ = 21682206. Its totient is φ = 2186496.

The previous prime is 7130441. The next prime is 7130449. The reversal of 7130448 is 8440317.

It can be written as a sum of positive squares in 3 ways, for example, as 535824 + 6594624 = 732^2 + 2568^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7130441) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 24190 + ... + 24482.

Almost surely, 2^7130448 is an apocalyptic number.

7130448 is a gapful number since it is divisible by the number (78) 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 7130448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10841103).

7130448 is an abundant number, since it is smaller than the sum of its proper divisors (14551758).

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

7130448 is a wasteful number, since it uses less digits than its factorization.

7130448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 7130448 is about 2670.2898719053. The cubic root of 7130448 is about 192.4740888270.

The spelling of 7130448 in words is "seven million, one hundred thirty thousand, four hundred forty-eight".