4782320 has 20 divisors (see below), whose sum is σ = 11119080. Its totient is φ = 1912896.

The previous prime is 4782317. The next prime is 4782329. The reversal of 4782320 is 232874.

4782320 = T₃₀₅ + T₃₀₆ + ... + T₃₈₄.

It is a tau number, because it is divible by the number of its divisors (20).

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 4782320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4782329) 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 3 ways as a sum of consecutive naturals, for example, 29810 + ... + 29969.

It is an arithmetic number, because the mean of its divisors is an integer number (555954).

Almost surely, 2^4782320 is an apocalyptic number.

4782320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4782320 is an abundant number, since it is smaller than the sum of its proper divisors (6336760).

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

4782320 is a wasteful number, since it uses less digits than its factorization.

4782320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59792 (or 59786 counting only the distinct ones).

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

The square root of 4782320 is about 2186.8516181945. The cubic root of 4782320 is about 168.4791686775.

The spelling of 4782320 in words is "four million, seven hundred eighty-two thousand, three hundred twenty".