4782785 has 8 divisors (see below), whose sum is σ = 6559296. Its totient is φ = 3279600.

The previous prime is 4782769. The next prime is 4782787. The reversal of 4782785 is 5872874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4782785 - 2⁴ = 4782769 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (4782787) 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, 68291 + ... + 68360.

It is an arithmetic number, because the mean of its divisors is an integer number (819912).

Almost surely, 2^4782785 is an apocalyptic number.

It is an amenable number.

4782785 is a deficient number, since it is larger than the sum of its proper divisors (1776511).

4782785 is a wasteful number, since it uses less digits than its factorization.

4782785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136663.

The product of its digits is 125440, while the sum is 41.

The square root of 4782785 is about 2186.9579328373. The cubic root of 4782785 is about 168.4846290868.

The spelling of 4782785 in words is "four million, seven hundred eighty-two thousand, seven hundred eighty-five".