4728732120 has 96 divisors (see below), whose sum is σ = 17563871520. Its totient is φ = 1080852480.

The previous prime is 4728732119. The next prime is 4728732149. The reversal of 4728732120 is 212378274.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 935721 + ... + 940760.

It is an arithmetic number, because the mean of its divisors is an integer number (182956995).

Almost surely, 2^4728732120 is an apocalyptic number.

4728732120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4728732120 is an abundant number, since it is smaller than the sum of its proper divisors (12835139400).

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

4728732120 is a wasteful number, since it uses less digits than its factorization.

4728732120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876505 (or 1876498 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 4728732120 is about 68765.7772442077. Note that the first 3 decimals coincide. The cubic root of 4728732120 is about 1678.4751044030.

The spelling of 4728732120 in words is "four billion, seven hundred twenty-eight million, seven hundred thirty-two thousand, one hundred twenty".