7448448 has 128 divisors (see below), whose sum is σ = 24088320. Its totient is φ = 1990656.

The previous prime is 7448407. The next prime is 7448453. The reversal of 7448448 is 8448447.

It is a tau number, because it is divible by the number of its divisors (128).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45615 + ... + 45777.

It is an arithmetic number, because the mean of its divisors is an integer number (188190).

Almost surely, 2^7448448 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 7448448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12044160).

7448448 is an abundant number, since it is smaller than the sum of its proper divisors (16639872).

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

7448448 is a wasteful number, since it uses less digits than its factorization.

7448448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 192 counting only the distinct ones).

The product of its digits is 114688, while the sum is 39.

The square root of 7448448 is about 2729.1844935805. The cubic root of 7448448 is about 195.2938633055.

Subtracting 7448448 from its reverse (8448447), we obtain a palindrome (999999).

The spelling of 7448448 in words is "seven million, four hundred forty-eight thousand, four hundred forty-eight".