7448445 has 24 divisors (see below), whose sum is σ = 13044096. Its totient is φ = 3931488.

The previous prime is 7448407. The next prime is 7448453. The reversal of 7448445 is 5448447.

It is not a de Polignac number, because 7448445 - 2⁷ = 7448317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3832 + ... + 5438.

It is an arithmetic number, because the mean of its divisors is an integer number (543504).

Almost surely, 2^7448445 is an apocalyptic number.

It is an amenable number.

7448445 is a deficient number, since it is larger than the sum of its proper divisors (5595651).

7448445 is a wasteful number, since it uses less digits than its factorization.

7448445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721 (or 1718 counting only the distinct ones).

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

The square root of 7448445 is about 2729.1839439657. The cubic root of 7448445 is about 195.2938370861.

It can be divided in two parts, 74484 and 45, that added together give a square (74529 = 273²).

The spelling of 7448445 in words is "seven million, four hundred forty-eight thousand, four hundred forty-five".