43213752 has 96 divisors (see below), whose sum is σ = 127296000. Its totient is φ = 13193280.

The previous prime is 43213747. The next prime is 43213787. The reversal of 43213752 is 25731234.

43213752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 23 ways as a sum of consecutive naturals, for example, 41899 + ... + 42917.

It is an arithmetic number, because the mean of its divisors is an integer number (1326000).

Almost surely, 2^43213752 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 43213752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63648000).

43213752 is an abundant number, since it is smaller than the sum of its proper divisors (84082248).

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

43213752 is a wasteful number, since it uses less digits than its factorization.

43213752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081 (or 1074 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 43213752 is about 6573.7167569040. The cubic root of 43213752 is about 350.9193571280.

Adding to 43213752 its reverse (25731234), we get a palindrome (68944986).

The spelling of 43213752 in words is "forty-three million, two hundred thirteen thousand, seven hundred fifty-two".