7448320 has 108 divisors (see below), whose sum is σ = 20345976. Its totient is φ = 2590720.

The previous prime is 7448317. The next prime is 7448333. The reversal of 7448320 is 238447.

7448320 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 323829 + ... + 323851.

Almost surely, 2^7448320 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 7448320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10172988).

7448320 is an abundant number, since it is smaller than the sum of its proper divisors (12897656).

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

7448320 is a wasteful number, since it uses less digits than its factorization.

7448320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 7448320 is about 2729.1610432512. The cubic root of 7448320 is about 195.2927446045.

The spelling of 7448320 in words is "seven million, four hundred forty-eight thousand, three hundred twenty".