7040449 has 8 divisors (see below), whose sum is σ = 7604352. Its totient is φ = 6479760.

The previous prime is 7040443. The next prime is 7040477. The reversal of 7040449 is 9440407.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7040449 - 2⁷ = 7040321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7040443) 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 7 ways as a sum of consecutive naturals, for example, 5832 + ... + 6934.

It is an arithmetic number, because the mean of its divisors is an integer number (950544).

Almost surely, 2^7040449 is an apocalyptic number.

It is an amenable number.

7040449 is a deficient number, since it is larger than the sum of its proper divisors (563903).

7040449 is a wasteful number, since it uses less digits than its factorization.

7040449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 7040449 is about 2653.3844425563. The cubic root of 7040449 is about 191.6608687177.

The spelling of 7040449 in words is "seven million, forty thousand, four hundred forty-nine".