7478448 has 20 divisors (see below), whose sum is σ = 19319448. Its totient is φ = 2492800.

The previous prime is 7478447. The next prime is 7478467. The reversal of 7478448 is 8448747.

It is not an unprimeable number, because it can be changed into a prime (7478447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77853 + ... + 77948.

Almost surely, 2^7478448 is an apocalyptic number.

It is an amenable number.

7478448 is an abundant number, since it is smaller than the sum of its proper divisors (11841000).

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

7478448 is a wasteful number, since it uses less digits than its factorization.

7478448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155812 (or 155806 counting only the distinct ones).

The product of its digits is 200704, while the sum is 42.

The square root of 7478448 is about 2734.6751178156. The cubic root of 7478448 is about 195.5557061141. Note that the first 3 decimals are identical.

Subtracting 7478448 from its reverse (8448747), we obtain a cube (970299 = 99³).

The spelling of 7478448 in words is "seven million, four hundred seventy-eight thousand, four hundred forty-eight".