4728780 has 144 divisors (see below), whose sum is σ = 17122560. Its totient is φ = 1073088.

The previous prime is 4728767. The next prime is 4728797. The reversal of 4728780 is 878274.

It is a super-2 number, since 2×4728780² = 44722720576800, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33951 + ... + 34089.

Almost surely, 2^4728780 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 4728780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8561280).

4728780 is an abundant number, since it is smaller than the sum of its proper divisors (12393780).

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

4728780 is a wasteful number, since it uses less digits than its factorization.

4728780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 4728780 is about 2174.5758207062. The cubic root of 4728780 is about 167.8480769425.

The spelling of 4728780 in words is "four million, seven hundred twenty-eight thousand, seven hundred eighty".