43713720 has 96 divisors (see below), whose sum is σ = 146689920. Its totient is φ = 11278080.

The previous prime is 43713679. The next prime is 43713721. The reversal of 43713720 is 2731734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43713721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9202 + ... + 13118.

It is an arithmetic number, because the mean of its divisors is an integer number (1528020).

Almost surely, 2^43713720 is an apocalyptic number.

43713720 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 43713720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73344960).

43713720 is an abundant number, since it is smaller than the sum of its proper divisors (102976200).

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

43713720 is a wasteful number, since it uses less digits than its factorization.

43713720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3965 (or 3958 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 43713720 is about 6611.6351986479. The cubic root of 43713720 is about 352.2675092873.

The spelling of 43713720 in words is "forty-three million, seven hundred thirteen thousand, seven hundred twenty".