9335721 has 8 divisors (see below), whose sum is σ = 12558240. Its totient is φ = 6168512.

The previous prime is 9335699. The next prime is 9335759. The reversal of 9335721 is 1275339.

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 9335721 - 2¹⁰ = 9334697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9335621) 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, 13431 + ... + 14108.

It is an arithmetic number, because the mean of its divisors is an integer number (1569780).

Almost surely, 2^9335721 is an apocalyptic number.

It is an amenable number.

9335721 is a deficient number, since it is larger than the sum of its proper divisors (3222519).

9335721 is a wasteful number, since it uses less digits than its factorization.

9335721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27655.

The product of its digits is 5670, while the sum is 30.

The square root of 9335721 is about 3055.4412120020. The cubic root of 9335721 is about 210.5632723926.

The spelling of 9335721 in words is "nine million, three hundred thirty-five thousand, seven hundred twenty-one".