8974721 has 8 divisors (see below), whose sum is σ = 10317504. Its totient is φ = 7647120.

The previous prime is 8974711. The next prime is 8974723. The reversal of 8974721 is 1274798.

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 8974721 - 2¹⁰ = 8973697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8974723) 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, 2495 + ... + 4916.

It is an arithmetic number, because the mean of its divisors is an integer number (1289688).

Almost surely, 2^8974721 is an apocalyptic number.

It is an amenable number.

8974721 is a deficient number, since it is larger than the sum of its proper divisors (1342783).

8974721 is a wasteful number, since it uses less digits than its factorization.

8974721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7591.

The product of its digits is 28224, while the sum is 38.

The square root of 8974721 is about 2995.7838707090. The cubic root of 8974721 is about 207.8134499099.

The spelling of 8974721 in words is "eight million, nine hundred seventy-four thousand, seven hundred twenty-one".