4373728 has 24 divisors (see below), whose sum is σ = 8890560. Its totient is φ = 2115840.

The previous prime is 4373717. The next prime is 4373731. The reversal of 4373728 is 8273734.

It is a junction number, because it is equal to n+sod(n) for n = 4373693 and 4373702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1213 + ... + 3196.

It is an arithmetic number, because the mean of its divisors is an integer number (370440).

Almost surely, 2^4373728 is an apocalyptic number.

It is an amenable number.

4373728 is an abundant number, since it is smaller than the sum of its proper divisors (4516832).

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

4373728 is a wasteful number, since it uses less digits than its factorization.

4373728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4450 (or 4442 counting only the distinct ones).

The product of its digits is 28224, while the sum is 34.

The square root of 4373728 is about 2091.3459780725. The cubic root of 4373728 is about 163.5374633203.

The spelling of 4373728 in words is "four million, three hundred seventy-three thousand, seven hundred twenty-eight".