9044721 has 12 divisors (see below), whose sum is σ = 14931072. Its totient is φ = 5168376.

The previous prime is 9044719. The next prime is 9044729. The reversal of 9044721 is 1274409.

It is a happy number.

It is not a de Polignac number, because 9044721 - 2¹ = 9044719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9044729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71721 + ... + 71846.

It is an arithmetic number, because the mean of its divisors is an integer number (1244256).

Almost surely, 2^9044721 is an apocalyptic number.

It is an amenable number.

9044721 is a deficient number, since it is larger than the sum of its proper divisors (5886351).

9044721 is a wasteful number, since it uses less digits than its factorization.

9044721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143580 (or 143577 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 9044721 is about 3007.4442638227. Note that the first 3 decimals coincide. The cubic root of 9044721 is about 208.3523444340.

It can be divided in two parts, 904 and 4721, that added together give a square (5625 = 75²).

The spelling of 9044721 in words is "nine million, forty-four thousand, seven hundred twenty-one".