4778712 has 48 divisors (see below), whose sum is σ = 13366080. Its totient is φ = 1540800.

The previous prime is 4778701. The next prime is 4778713. The reversal of 4778712 is 2178774.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4778713) 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 11 ways as a sum of consecutive naturals, for example, 1162 + ... + 3302.

It is an arithmetic number, because the mean of its divisors is an integer number (278460).

Almost surely, 2^4778712 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 4778712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6683040).

4778712 is an abundant number, since it is smaller than the sum of its proper divisors (8587368).

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

4778712 is a wasteful number, since it uses less digits than its factorization.

4778712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2184 (or 2177 counting only the distinct ones).

The product of its digits is 21952, while the sum is 36.

The square root of 4778712 is about 2186.0265323184. The cubic root of 4778712 is about 168.4367885653.

The spelling of 4778712 in words is "four million, seven hundred seventy-eight thousand, seven hundred twelve".