7482782369 has 24 divisors (see below), whose sum is σ = 8119899432. Its totient is φ = 6891655680.

The previous prime is 7482782327. The next prime is 7482782381. The reversal of 7482782369 is 9632872847.

It is a happy number.

7482782369 is digitally balanced in base 3, 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 4 ways, for example, as 2608225 + 7480174144 = 1615^2 + 86488^2 .

It is not a de Polignac number, because 7482782369 - 2⁸ = 7482782113 is a prime.

It is a super-2 number, since 2×7482782369² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7482782309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2160299 + ... + 2163759.

It is an arithmetic number, because the mean of its divisors is an integer number (338329143).

Almost surely, 2^7482782369 is an apocalyptic number.

It is an amenable number.

7482782369 is a deficient number, since it is larger than the sum of its proper divisors (637117063).

7482782369 is a wasteful number, since it uses less digits than its factorization.

7482782369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3665 (or 3646 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 56.

The square root of 7482782369 is about 86503.0772227208. The cubic root of 7482782369 is about 1955.9347896434.

The spelling of 7482782369 in words is "seven billion, four hundred eighty-two million, seven hundred eighty-two thousand, three hundred sixty-nine".