8723722 has 16 divisors (see below), whose sum is σ = 15471360. Its totient is φ = 3609648.

The previous prime is 8723707. The next prime is 8723731. The reversal of 8723722 is 2273278.

It is a super-2 number, since 2×8723722² = 152206651066568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10338 + ... + 11149.

It is an arithmetic number, because the mean of its divisors is an integer number (966960).

Almost surely, 2^8723722 is an apocalyptic number.

8723722 is a deficient number, since it is larger than the sum of its proper divisors (6747638).

8723722 is a wasteful number, since it uses less digits than its factorization.

8723722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21525.

The product of its digits is 9408, while the sum is 31.

The square root of 8723722 is about 2953.5947589336. The cubic root of 8723722 is about 205.8577740742.

The spelling of 8723722 in words is "eight million, seven hundred twenty-three thousand, seven hundred twenty-two".