9321072 has 40 divisors (see below), whose sum is σ = 25129344. Its totient is φ = 2971584.

The previous prime is 9321061. The next prime is 9321073. The reversal of 9321072 is 2701239.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9321073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3118 + ... + 5325.

Almost surely, 2^9321072 is an apocalyptic number.

9321072 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

9321072 is an abundant number, since it is smaller than the sum of its proper divisors (15808272).

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

9321072 is a wasteful number, since it uses less digits than its factorization.

9321072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8477 (or 8471 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 9321072 is about 3053.0430720840. The cubic root of 9321072 is about 210.4530807199.

The spelling of 9321072 in words is "nine million, three hundred twenty-one thousand, seventy-two".