43728075 has 36 divisors (see below), whose sum is σ = 79084720. Its totient is φ = 23094720.

The previous prime is 43728067. The next prime is 43728121. The reversal of 43728075 is 57082734.

It is not a de Polignac number, because 43728075 - 2³ = 43728067 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 23634 + ... + 25416.

Almost surely, 2^43728075 is an apocalyptic number.

43728075 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

43728075 is a deficient number, since it is larger than the sum of its proper divisors (35356645).

43728075 is a wasteful number, since it uses less digits than its factorization.

43728075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908 (or 1900 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 43728075 is about 6612.7206957500. The cubic root of 43728075 is about 352.3060650441.

The spelling of 43728075 in words is "forty-three million, seven hundred twenty-eight thousand, seventy-five".