43712 has 14 divisors (see below), whose sum is σ = 86868. Its totient is φ = 21824.

The previous prime is 43711. The next prime is 43717. The reversal of 43712 is 21734.

It is a happy number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 43712.

It is not an unprimeable number, because it can be changed into a prime (43711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278 + ... + 405.

2⁴³⁷¹² is an apocalyptic number.

It is an amenable number.

43712 is a deficient number, since it is larger than the sum of its proper divisors (43156).

43712 is an equidigital number, since it uses as much as digits as its factorization.

43712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695 (or 685 counting only the distinct ones).

The product of its digits is 168, while the sum is 17.

The square root of 43712 is about 209.0741495260. The cubic root of 43712 is about 35.2262889014.

The spelling of 43712 in words is "forty-three thousand, seven hundred twelve", and thus it is an iban number.