43034728 has 32 divisors (see below), whose sum is σ = 89696160. Its totient is φ = 19190080.

The previous prime is 43034723. The next prime is 43034743. The reversal of 43034728 is 82743034.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 43034728.

It is not an unprimeable number, because it can be changed into a prime (43034723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51 + ... + 9277.

It is an arithmetic number, because the mean of its divisors is an integer number (2803005).

Almost surely, 2^43034728 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 43034728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44848080).

43034728 is an abundant number, since it is smaller than the sum of its proper divisors (46661432).

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

43034728 is a wasteful number, since it uses less digits than its factorization.

43034728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9297 (or 9293 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 43034728 is about 6560.0859750464. The cubic root of 43034728 is about 350.4340953944.

The spelling of 43034728 in words is "forty-three million, thirty-four thousand, seven hundred twenty-eight".