8718722 has 16 divisors (see below), whose sum is σ = 13906080. Its totient is φ = 4085568.

The previous prime is 8718709. The next prime is 8718727. The reversal of 8718722 is 2278178.

It is a super-2 number, since 2×8718722² = 152032226626568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8718727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11429 + ... + 12167.

It is an arithmetic number, because the mean of its divisors is an integer number (869130).

Almost surely, 2^8718722 is an apocalyptic number.

8718722 is a deficient number, since it is larger than the sum of its proper divisors (5187358).

8718722 is a wasteful number, since it uses less digits than its factorization.

8718722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105.

The product of its digits is 12544, while the sum is 35.

The square root of 8718722 is about 2952.7482114125. The cubic root of 8718722 is about 205.8184374402.

The spelling of 8718722 in words is "eight million, seven hundred eighteen thousand, seven hundred twenty-two".