4728788325 has 18 divisors (see below), whose sum is σ = 8469785714. Its totient is φ = 2522020320.

The previous prime is 4728788321. The next prime is 4728788359. The reversal of 4728788325 is 5238878274.

4728788325 is a `hidden beast` number, since 472 + 8 + 78 + 83 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 716579361 + 4012208964 = 26769^2 + 63342^2 .

It is not a de Polignac number, because 4728788325 - 2² = 4728788321 is a prime.

It is a super-2 number, since 2×4728788325² = 44722878045312611250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4728788321) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10508194 + ... + 10508643.

Almost surely, 2^4728788325 is an apocalyptic number.

4728788325 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4728788325 is a deficient number, since it is larger than the sum of its proper divisors (3740997389).

4728788325 is a wasteful number, since it uses less digits than its factorization.

4728788325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21016853 (or 21016845 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 54.

The square root of 4728788325 is about 68766.1859128453. The cubic root of 4728788325 is about 1678.4817544110.

The spelling of 4728788325 in words is "four billion, seven hundred twenty-eight million, seven hundred eighty-eight thousand, three hundred twenty-five".