7328420 has 24 divisors (see below), whose sum is σ = 16789248. Its totient is φ = 2664800.

The previous prime is 7328413. The next prime is 7328423. The reversal of 7328420 is 248237.

It is a self number, because there is not a number n which added to its sum of digits gives 7328420.

It is not an unprimeable number, because it can be changed into a prime (7328423) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16436 + ... + 16875.

It is an arithmetic number, because the mean of its divisors is an integer number (699552).

Almost surely, 2^7328420 is an apocalyptic number.

It is an amenable number.

7328420 is an abundant number, since it is smaller than the sum of its proper divisors (9460828).

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

7328420 is a wasteful number, since it uses less digits than its factorization.

7328420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33331 (or 33329 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 7328420 is about 2707.1054652525. The cubic root of 7328420 is about 194.2391566435.

The spelling of 7328420 in words is "seven million, three hundred twenty-eight thousand, four hundred twenty".