43713216 has 112 divisors (see below), whose sum is σ = 131856480. Its totient is φ = 14192640.

The previous prime is 43713199. The next prime is 43713221. The reversal of 43713216 is 61231734.

43713216 is a `hidden beast` number, since 437 + 13 + 216 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 43713216.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70540 + ... + 71156.

It is an arithmetic number, because the mean of its divisors is an integer number (1177290).

Almost surely, 2^43713216 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 43713216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65928240).

43713216 is an abundant number, since it is smaller than the sum of its proper divisors (88143264).

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

43713216 is a wasteful number, since it uses less digits than its factorization.

43713216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679 (or 663 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 43713216 is about 6611.5970839125. The cubic root of 43713216 is about 352.2661554522.

The spelling of 43713216 in words is "forty-three million, seven hundred thirteen thousand, two hundred sixteen".