9410721 has 4 divisors (see below), whose sum is σ = 12547632. Its totient is φ = 6273812.

The previous prime is 9410699. The next prime is 9410747. The reversal of 9410721 is 1270149.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9410721 - 2¹³ = 9402529 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9410691 and 9410700.

It is not an unprimeable number, because it can be changed into a prime (9410021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1568451 + ... + 1568456.

It is an arithmetic number, because the mean of its divisors is an integer number (3136908).

Almost surely, 2^9410721 is an apocalyptic number.

It is an amenable number.

9410721 is a deficient number, since it is larger than the sum of its proper divisors (3136911).

9410721 is a wasteful number, since it uses less digits than its factorization.

9410721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3136910.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 9410721 is about 3067.6898474259. The cubic root of 9410721 is about 211.1256336475.

The spelling of 9410721 in words is "nine million, four hundred ten thousand, seven hundred twenty-one".