4786782 has 64 divisors (see below), whose sum is σ = 12870144. Its totient is φ = 1146240.

The previous prime is 4786777. The next prime is 4786799. The reversal of 4786782 is 2876874.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a d-powerful number, because it can be written as 4¹¹ + 7⁵ + 8³ + 6⁴ + 7⁵ + 8⁵ + 2¹⁹ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5608 + ... + 6404.

It is an arithmetic number, because the mean of its divisors is an integer number (201096).

Almost surely, 2^4786782 is an apocalyptic number.

4786782 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 4786782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6435072).

4786782 is an abundant number, since it is smaller than the sum of its proper divisors (8083362).

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

4786782 is a wasteful number, since it uses less digits than its factorization.

4786782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833.

The product of its digits is 150528, while the sum is 42.

The square root of 4786782 is about 2187.8715684427. The cubic root of 4786782 is about 168.5315505320.

It can be divided in two parts, 478 and 6782, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 4786782 in words is "four million, seven hundred eighty-six thousand, seven hundred eighty-two".