43072860 has 48 divisors (see below), whose sum is σ = 122314752. Its totient is φ = 11323200.

The previous prime is 43072831. The next prime is 43072873. The reversal of 43072860 is 6827034.

43072860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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, 796 + ... + 9315.

It is an arithmetic number, because the mean of its divisors is an integer number (2548224).

Almost surely, 2^43072860 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 43072860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61157376).

43072860 is an abundant number, since it is smaller than the sum of its proper divisors (79241892).

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

43072860 is a wasteful number, since it uses less digits than its factorization.

43072860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10194 (or 10192 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 43072860 is about 6562.9916958655. The cubic root of 43072860 is about 350.5375684783.

Adding to 43072860 its reverse (6827034), we get a palindrome (49899894).

The spelling of 43072860 in words is "forty-three million, seventy-two thousand, eight hundred sixty".