4780782 has 32 divisors (see below), whose sum is σ = 10764960. Its totient is φ = 1592136.

The previous prime is 4780781. The next prime is 4780819. The reversal of 4780782 is 2870874.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 3 and base 9.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4780781) 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 15 ways as a sum of consecutive naturals, for example, 3828 + ... + 4920.

It is an arithmetic number, because the mean of its divisors is an integer number (336405).

Almost surely, 2^4780782 is an apocalyptic number.

It is a pronic number, being equal to 2186×2187.

It is a practical number, because each smaller number is the sum of distinct divisors of 4780782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5382480).

4780782 is an abundant number, since it is smaller than the sum of its proper divisors (5984178).

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

4780782 is an equidigital number, since it uses as much as digits as its factorization.

4780782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116 (or 1098 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 4780782 is about 2186.4999428310. The cubic root of 4780782 is about 168.4611057050.

The spelling of 4780782 in words is "four million, seven hundred eighty thousand, seven hundred eighty-two".