4372728 has 32 divisors (see below), whose sum is σ = 11007360. Its totient is φ = 1447520.

The previous prime is 4372727. The next prime is 4372733. The reversal of 4372728 is 8272734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4372721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3463 + ... + 4553.

It is an arithmetic number, because the mean of its divisors is an integer number (343980).

Almost surely, 2^4372728 is an apocalyptic number.

It is an amenable number.

4372728 is an abundant number, since it is smaller than the sum of its proper divisors (6634632).

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

4372728 is a wasteful number, since it uses less digits than its factorization.

4372728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267 (or 1263 counting only the distinct ones).

The product of its digits is 18816, while the sum is 33.

The square root of 4372728 is about 2091.1068839254. The cubic root of 4372728 is about 163.5249987494.

It can be divided in two parts, 43 and 72728, that added together give a triangular number (72771 = T₃₈₁).

The spelling of 4372728 in words is "four million, three hundred seventy-two thousand, seven hundred twenty-eight".