4728478252 has 12 divisors (see below), whose sum is σ = 8281644840. Its totient is φ = 2362294016.

The previous prime is 4728478201. The next prime is 4728478259. The reversal of 4728478252 is 2528748274.

It is a junction number, because it is equal to n+sod(n) for n = 4728478196 and 4728478205.

It is not an unprimeable number, because it can be changed into a prime (4728478259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480802 + ... + 490537.

It is an arithmetic number, because the mean of its divisors is an integer number (690137070).

Almost surely, 2^4728478252 is an apocalyptic number.

It is an amenable number.

4728478252 is a deficient number, since it is larger than the sum of its proper divisors (3553166588).

4728478252 is a wasteful number, since it uses less digits than its factorization.

4728478252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972560 (or 972558 counting only the distinct ones).

The product of its digits is 2007040, while the sum is 49.

The square root of 4728478252 is about 68763.9313303130. The cubic root of 4728478252 is about 1678.4450668416.

The spelling of 4728478252 in words is "four billion, seven hundred twenty-eight million, four hundred seventy-eight thousand, two hundred fifty-two".