7480789 has 4 divisors (see below), whose sum is σ = 7497900. Its totient is φ = 7463680.

The previous prime is 7480783. The next prime is 7480793. The reversal of 7480789 is 9870847.

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 4120900 + 3359889 = 2030^2 + 1833^2 .

It is a cyclic number.

It is not a de Polignac number, because 7480789 - 2⁵ = 7480757 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 (7480783) 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, 7882 + ... + 8779.

It is an arithmetic number, because the mean of its divisors is an integer number (1874475).

Almost surely, 2^7480789 is an apocalyptic number.

It is an amenable number.

7480789 is a deficient number, since it is larger than the sum of its proper divisors (17111).

7480789 is a wasteful number, since it uses less digits than its factorization.

7480789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17110.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 7480789 is about 2735.1031059176. The cubic root of 7480789 is about 195.5761091062.

The spelling of 7480789 in words is "seven million, four hundred eighty thousand, seven hundred eighty-nine".