43073328 has 80 divisors (see below), whose sum is σ = 116103680. Its totient is φ = 13747968.

The previous prime is 43073311. The next prime is 43073339. The reversal of 43073328 is 82337034.

It is a super-3 number, since 3×43073328³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43073295 and 43073304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140151 + ... + 140457.

It is an arithmetic number, because the mean of its divisors is an integer number (1451296).

Almost surely, 2^43073328 is an apocalyptic number.

43073328 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43073328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58051840).

43073328 is an abundant number, since it is smaller than the sum of its proper divisors (73030352).

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

43073328 is a wasteful number, since it uses less digits than its factorization.

43073328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 428 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 43073328 is about 6563.0273502401. The cubic root of 43073328 is about 350.5388380403.

The spelling of 43073328 in words is "forty-three million, seventy-three thousand, three hundred twenty-eight".