8722547 has 8 divisors (see below), whose sum is σ = 9266400. Its totient is φ = 8182144.

The previous prime is 8722541. The next prime is 8722603. The reversal of 8722547 is 7452278.

8722547 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 8722547 - 2⁸ = 8722291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8722541) 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, 5954 + ... + 7272.

It is an arithmetic number, because the mean of its divisors is an integer number (1158300).

Almost surely, 2^8722547 is an apocalyptic number.

8722547 is a deficient number, since it is larger than the sum of its proper divisors (543853).

8722547 is a wasteful number, since it uses less digits than its factorization.

8722547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725.

The product of its digits is 31360, while the sum is 35.

The square root of 8722547 is about 2953.3958420774. The cubic root of 8722547 is about 205.8485313166.

The spelling of 8722547 in words is "eight million, seven hundred twenty-two thousand, five hundred forty-seven".