7404849 has 6 divisors (see below), whose sum is σ = 10695906. Its totient is φ = 4936560.

The previous prime is 7404841. The next prime is 7404863. The reversal of 7404849 is 9484047.

It can be written as a sum of positive squares in only one way, i.e., 6796449 + 608400 = 2607^2 + 780^2 .

It is not a de Polignac number, because 7404849 - 2³ = 7404841 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7404841) 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 5 ways as a sum of consecutive naturals, for example, 411372 + ... + 411389.

It is an arithmetic number, because the mean of its divisors is an integer number (1782651).

Almost surely, 2^7404849 is an apocalyptic number.

It is an amenable number.

7404849 is a deficient number, since it is larger than the sum of its proper divisors (3291057).

7404849 is a wasteful number, since it uses less digits than its factorization.

7404849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822767 (or 822764 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 7404849 is about 2721.1852197159. The cubic root of 7404849 is about 194.9120708107.

The spelling of 7404849 in words is "seven million, four hundred four thousand, eight hundred forty-nine".