7484849 has 4 divisors (see below), whose sum is σ = 7490340. Its totient is φ = 7479360.

The previous prime is 7484843. The next prime is 7484861. The reversal of 7484849 is 9484847.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 21025 + 7463824 = 145^2 + 2732^2 .

It is a cyclic number.

It is not a de Polignac number, because 7484849 - 2⁴ = 7484833 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 (7484843) 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, 1037 + ... + 4005.

It is an arithmetic number, because the mean of its divisors is an integer number (1872585).

Almost surely, 2^7484849 is an apocalyptic number.

It is an amenable number.

7484849 is a deficient number, since it is larger than the sum of its proper divisors (5491).

7484849 is a wasteful number, since it uses less digits than its factorization.

7484849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5490.

The product of its digits is 258048, while the sum is 44.

The square root of 7484849 is about 2735.8452076095. The cubic root of 7484849 is about 195.6114839577.

The spelling of 7484849 in words is "seven million, four hundred eighty-four thousand, eight hundred forty-nine".