43201668 has 48 divisors (see below), whose sum is σ = 107352000. Its totient is φ = 13483008.

The previous prime is 43201643. The next prime is 43201673. The reversal of 43201668 is 86610234.

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, 19228 + ... + 21356.

It is an arithmetic number, because the mean of its divisors is an integer number (2236500).

Almost surely, 2^43201668 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 43201668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53676000).

43201668 is an abundant number, since it is smaller than the sum of its proper divisors (64150332).

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

43201668 is a wasteful number, since it uses less digits than its factorization.

43201668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244 (or 2242 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 43201668 is about 6572.7975778963. The cubic root of 43201668 is about 350.8866445104.

The spelling of 43201668 in words is "forty-three million, two hundred one thousand, six hundred sixty-eight".