7445448 has 24 divisors (see below), whose sum is σ = 20164950. Its totient is φ = 2481792.

The previous prime is 7445443. The next prime is 7445461. The reversal of 7445448 is 8445447.

7445448 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6441444 + 1004004 = 2538^2 + 1002^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (7445441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51633 + ... + 51776.

Almost surely, 2^7445448 is an apocalyptic number.

It is an amenable number.

7445448 is an abundant number, since it is smaller than the sum of its proper divisors (12719502).

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

7445448 is a wasteful number, since it uses less digits than its factorization.

7445448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103421 (or 103414 counting only the distinct ones).

The product of its digits is 71680, while the sum is 36.

The square root of 7445448 is about 2728.6348234969. The cubic root of 7445448 is about 195.2676403811.

Subtracting 7445448 from its reverse (8445447), we obtain a palindrome (999999).

The spelling of 7445448 in words is "seven million, four hundred forty-five thousand, four hundred forty-eight".