7484789 has 4 divisors (see below), whose sum is σ = 8060556. Its totient is φ = 6909024.

The previous prime is 7484783. The next prime is 7484801. The reversal of 7484789 is 9874847.

7484789 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4695889 + 2788900 = 2167^2 + 1670^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7484789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7484783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287864 + ... + 287889.

It is an arithmetic number, because the mean of its divisors is an integer number (2015139).

Almost surely, 2^7484789 is an apocalyptic number.

It is an amenable number.

7484789 is a deficient number, since it is larger than the sum of its proper divisors (575767).

7484789 is a wasteful number, since it uses less digits than its factorization.

7484789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575766.

The product of its digits is 451584, while the sum is 47.

The square root of 7484789 is about 2735.8342420549. The cubic root of 7484789 is about 195.6109612697.

The spelling of 7484789 in words is "seven million, four hundred eighty-four thousand, seven hundred eighty-nine".