43013647072 has 96 divisors (see below), whose sum is σ = 94112928000. Its totient is φ = 19188664320.

The previous prime is 43013647069. The next prime is 43013647073. The reversal of 43013647072 is 27074631034.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43013647073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4091679 + ... + 4102177.

It is an arithmetic number, because the mean of its divisors is an integer number (980343000).

Almost surely, 2^43013647072 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 43013647072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47056464000).

43013647072 is an abundant number, since it is smaller than the sum of its proper divisors (51099280928).

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

43013647072 is a wasteful number, since it uses less digits than its factorization.

43013647072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10736 (or 10728 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 37.

The spelling of 43013647072 in words is "forty-three billion, thirteen million, six hundred forty-seven thousand, seventy-two".