4669728 has 48 divisors (see below), whose sum is σ = 14011200. Its totient is φ = 1334016.

The previous prime is 4669703. The next prime is 4669729. The reversal of 4669728 is 8279664.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 4669728.

It is not an unprimeable number, because it can be changed into a prime (4669729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2803 + ... + 4146.

It is an arithmetic number, because the mean of its divisors is an integer number (291900).

Almost surely, 2^4669728 is an apocalyptic number.

4669728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4669728 is an abundant number, since it is smaller than the sum of its proper divisors (9341472).

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

4669728 is a wasteful number, since it uses less digits than its factorization.

4669728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6969 (or 6961 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 4669728 is about 2160.9553442864. The cubic root of 4669728 is about 167.1464645496.

The spelling of 4669728 in words is "four million, six hundred sixty-nine thousand, seven hundred twenty-eight".