8874721 has 8 divisors (see below), whose sum is σ = 9072000. Its totient is φ = 8679120.

The previous prime is 8874713. The next prime is 8874743. The reversal of 8874721 is 1274788.

8874721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 8874721 - 2³ = 8874713 is a prime.

It is a Duffinian number.

8874721 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8874751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20376 + ... + 20806.

It is an arithmetic number, because the mean of its divisors is an integer number (1134000).

Almost surely, 2^8874721 is an apocalyptic number.

It is an amenable number.

8874721 is a deficient number, since it is larger than the sum of its proper divisors (197279).

8874721 is a wasteful number, since it uses less digits than its factorization.

8874721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839.

The product of its digits is 25088, while the sum is 37.

The square root of 8874721 is about 2979.0469952654. The cubic root of 8874721 is about 207.0387178932.

The spelling of 8874721 in words is "eight million, eight hundred seventy-four thousand, seven hundred twenty-one".