9491712 has 72 divisors (see below), whose sum is σ = 26784576. Its totient is φ = 2973696.

The previous prime is 9491711. The next prime is 9491719. The reversal of 9491712 is 2171949.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9491711) 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, 12693 + ... + 13419.

It is an arithmetic number, because the mean of its divisors is an integer number (372008).

Almost surely, 2^9491712 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 9491712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13392288).

9491712 is an abundant number, since it is smaller than the sum of its proper divisors (17292864).

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

9491712 is a wasteful number, since it uses less digits than its factorization.

9491712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763 (or 749 counting only the distinct ones).

The product of its digits is 4536, while the sum is 33.

The square root of 9491712 is about 3080.8622169776. The cubic root of 9491712 is about 211.7295709320.

It can be divided in two parts, 94 and 91712, that added together give a triangular number (91806 = T₄₂₈).

The spelling of 9491712 in words is "nine million, four hundred ninety-one thousand, seven hundred twelve".