4781312 has 36 divisors (see below), whose sum is σ = 10056480. Its totient is φ = 2262528.

The previous prime is 4781243. The next prime is 4781323. The reversal of 4781312 is 2131874.

It is a zygodrome in base 5.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4373 + ... + 5355.

Almost surely, 2^4781312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4781312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5028240).

4781312 is an abundant number, since it is smaller than the sum of its proper divisors (5275168).

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

4781312 is an equidigital number, since it uses as much as digits as its factorization.

4781312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018 (or 1004 counting only the distinct ones).

The product of its digits is 1344, while the sum is 26.

The square root of 4781312 is about 2186.6211377374. The cubic root of 4781312 is about 168.4673307038.

The spelling of 4781312 in words is "four million, seven hundred eighty-one thousand, three hundred twelve".