8722307 has 8 divisors (see below), whose sum is σ = 9718272. Its totient is φ = 7760200.

The previous prime is 8722303. The next prime is 8722331. The reversal of 8722307 is 7032278.

8722307 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 8722307 - 2² = 8722303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8722307.

It is not an unprimeable number, because it can be changed into a prime (8722303) 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, 7919 + ... + 8952.

It is an arithmetic number, because the mean of its divisors is an integer number (1214784).

Almost surely, 2^8722307 is an apocalyptic number.

8722307 is a deficient number, since it is larger than the sum of its proper divisors (995965).

8722307 is a wasteful number, since it uses less digits than its factorization.

8722307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16929.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 8722307 is about 2953.3552106037. The cubic root of 8722307 is about 205.8466433321.

Subtracting from 8722307 its sum of digits (29), we obtain a palindrome (8722278).

The spelling of 8722307 in words is "eight million, seven hundred twenty-two thousand, three hundred seven".