7320928 has 24 divisors (see below), whose sum is σ = 15172920. Its totient is φ = 3467520.

The previous prime is 7320883. The next prime is 7320941. The reversal of 7320928 is 8290237.

It is a self number, because there is not a number n which added to its sum of digits gives 7320928.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5413 + ... + 6628.

It is an arithmetic number, because the mean of its divisors is an integer number (632205).

Almost surely, 2^7320928 is an apocalyptic number.

It is an amenable number.

7320928 is an abundant number, since it is smaller than the sum of its proper divisors (7851992).

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

7320928 is a wasteful number, since it uses less digits than its factorization.

7320928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12070 (or 12062 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 7320928 is about 2705.7213455934. The cubic root of 7320928 is about 194.1729424641.

It can be divided in two parts, 73209 and 28, that added together give a palindrome (73237).

The spelling of 7320928 in words is "seven million, three hundred twenty thousand, nine hundred twenty-eight".