43800068 has 18 divisors (see below), whose sum is σ = 83001114. Its totient is φ = 20215104.

The previous prime is 43800067. The next prime is 43800077. The reversal of 43800068 is 86000834.

It can be written as a sum of positive squares in 3 ways, for example, as 3452164 + 40347904 = 1858^2 + 6352^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43800068.

It is not an unprimeable number, because it can be changed into a prime (43800061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31721 + ... + 33072.

It is an arithmetic number, because the mean of its divisors is an integer number (4611173).

Almost surely, 2^43800068 is an apocalyptic number.

It is an amenable number.

43800068 is a deficient number, since it is larger than the sum of its proper divisors (39201046).

43800068 is a wasteful number, since it uses less digits than its factorization.

43800068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64823 (or 64808 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 43800068 is about 6618.1619804897. The cubic root of 43800068 is about 352.4993021799.

The spelling of 43800068 in words is "forty-three million, eight hundred thousand, sixty-eight".