43073316 has 96 divisors (see below), whose sum is σ = 131241600. Its totient is φ = 12044160.

The previous prime is 43073311. The next prime is 43073339. The reversal of 43073316 is 61337034.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 43073316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43073311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14050 + ... + 16838.

It is an arithmetic number, because the mean of its divisors is an integer number (1367100).

Almost surely, 2^43073316 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 43073316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65620800).

43073316 is an abundant number, since it is smaller than the sum of its proper divisors (88168284).

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

43073316 is a wasteful number, since it uses less digits than its factorization.

43073316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2826 (or 2818 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 43073316 is about 6563.0264360278. The cubic root of 43073316 is about 350.5388054875.

The spelling of 43073316 in words is "forty-three million, seventy-three thousand, three hundred sixteen".