43536672 has 36 divisors (see below), whose sum is σ = 123808230. Its totient is φ = 14512128.

The previous prime is 43536659. The next prime is 43536709. The reversal of 43536672 is 27663534.

It can be written as a sum of positive squares in only one way, i.e., 24561936 + 18974736 = 4956^2 + 4356^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75297 + ... + 75872.

Almost surely, 2^43536672 is an apocalyptic number.

It is an amenable number.

43536672 is an abundant number, since it is smaller than the sum of its proper divisors (80271558).

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

43536672 is a wasteful number, since it uses less digits than its factorization.

43536672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151185 (or 151174 counting only the distinct ones).

The product of its digits is 90720, while the sum is 36.

The square root of 43536672 is about 6598.2324905993. The cubic root of 43536672 is about 351.7912846707.

It can be divided in two parts, 4353 and 6672, that added together give a square (11025 = 105²).

The spelling of 43536672 in words is "forty-three million, five hundred thirty-six thousand, six hundred seventy-two".