9574721 has 8 divisors (see below), whose sum is σ = 10442880. Its totient is φ = 8725392.

The previous prime is 9574717. The next prime is 9574729. The reversal of 9574721 is 1274759.

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

It is not a de Polignac number, because 9574721 - 2² = 9574717 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9574729) 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, 3635 + ... + 5688.

It is an arithmetic number, because the mean of its divisors is an integer number (1305360).

Almost surely, 2^9574721 is an apocalyptic number.

It is an amenable number.

9574721 is a deficient number, since it is larger than the sum of its proper divisors (868159).

9574721 is a wasteful number, since it uses less digits than its factorization.

9574721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9415.

The product of its digits is 17640, while the sum is 35.

The square root of 9574721 is about 3094.3046068543. The cubic root of 9574721 is about 212.3450016192.

The spelling of 9574721 in words is "nine million, five hundred seventy-four thousand, seven hundred twenty-one".