7479872 has 28 divisors (see below), whose sum is σ = 15055596. Its totient is φ = 3686400.

The previous prime is 7479859. The next prime is 7479887. The reversal of 7479872 is 2789747.

It can be written as a sum of positive squares in 2 ways, for example, as 6431296 + 1048576 = 2536^2 + 1024^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3872 + ... + 5472.

Almost surely, 2^7479872 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 7479872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7527798).

7479872 is an abundant number, since it is smaller than the sum of its proper divisors (7575724).

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

7479872 is a wasteful number, since it uses less digits than its factorization.

7479872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686 (or 1676 counting only the distinct ones).

The product of its digits is 197568, while the sum is 44.

The square root of 7479872 is about 2734.9354654178. The cubic root of 7479872 is about 195.5681174973.

The spelling of 7479872 in words is "seven million, four hundred seventy-nine thousand, eight hundred seventy-two".