7874449 has 4 divisors (see below), whose sum is σ = 8590320. Its totient is φ = 7158580.

The previous prime is 7874431. The next prime is 7874467. The reversal of 7874449 is 9444787.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (7874431) and next prime (7874467).

It is not a de Polignac number, because 7874449 - 2⁹ = 7873937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7874479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357919 + ... + 357940.

It is an arithmetic number, because the mean of its divisors is an integer number (2147580).

Almost surely, 2^7874449 is an apocalyptic number.

It is an amenable number.

7874449 is a deficient number, since it is larger than the sum of its proper divisors (715871).

7874449 is a wasteful number, since it uses less digits than its factorization.

7874449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715870.

The product of its digits is 225792, while the sum is 43.

The square root of 7874449 is about 2806.1448644003. The cubic root of 7874449 is about 198.9482201585.

The spelling of 7874449 in words is "seven million, eight hundred seventy-four thousand, four hundred forty-nine".