8723712 has 72 divisors (see below), whose sum is σ = 23922976. Its totient is φ = 2820096.

The previous prime is 8723707. The next prime is 8723731. The reversal of 8723712 is 2173278.

It is a super-2 number, since 2×8723712² = 152206302117888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8723712.

It is a congruent number.

It is an unprimeable number.

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, 28263 + ... + 28569.

Almost surely, 2^8723712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8723712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11961488).

8723712 is an abundant number, since it is smaller than the sum of its proper divisors (15199264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8723712 is a wasteful number, since it uses less digits than its factorization.

8723712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363 (or 349 counting only the distinct ones).

The product of its digits is 4704, while the sum is 30.

The square root of 8723712 is about 2953.5930660807. The cubic root of 8723712 is about 205.8576954160.

The spelling of 8723712 in words is "eight million, seven hundred twenty-three thousand, seven hundred twelve".