4912782 has 32 divisors (see below), whose sum is σ = 11446272. Its totient is φ = 1376544.

The previous prime is 4912781. The next prime is 4912807. The reversal of 4912782 is 2872194.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4912781) 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, 1123 + ... + 3329.

It is an arithmetic number, because the mean of its divisors is an integer number (357696).

Almost surely, 2^4912782 is an apocalyptic number.

4912782 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 4912782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5723136).

4912782 is an abundant number, since it is smaller than the sum of its proper divisors (6533490).

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

4912782 is a wasteful number, since it uses less digits than its factorization.

4912782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272.

The product of its digits is 8064, while the sum is 33.

The square root of 4912782 is about 2216.4796412329. The cubic root of 4912782 is about 169.9974855453.

The spelling of 4912782 in words is "four million, nine hundred twelve thousand, seven hundred eighty-two".