43126720 has 112 divisors (see below), whose sum is σ = 126479808. Its totient is φ = 13639680.

The previous prime is 43126693. The next prime is 43126723. The reversal of 43126720 is 2762134.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43126723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28380 + ... + 29860.

It is an arithmetic number, because the mean of its divisors is an integer number (1129284).

Almost surely, 2^43126720 is an apocalyptic number.

43126720 is a gapful number since it is divisible by the number (40) 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 43126720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63239904).

43126720 is an abundant number, since it is smaller than the sum of its proper divisors (83353088).

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

43126720 is a wasteful number, since it uses less digits than its factorization.

43126720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518 (or 1508 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 43126720 is about 6567.0937255380. The cubic root of 43126720 is about 350.6836162796.

Adding to 43126720 its reverse (2762134), we get a palindrome (45888854).

The spelling of 43126720 in words is "forty-three million, one hundred twenty-six thousand, seven hundred twenty".