43944730 has 8 divisors (see below), whose sum is σ = 79100532. Its totient is φ = 17577888.

The previous prime is 43944721. The next prime is 43944757. The reversal of 43944730 is 3744934.

43944730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 43943641 + 1089 = 6629^2 + 33^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×43944730² = 3862278589545800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2197227 + ... + 2197246.

Almost surely, 2^43944730 is an apocalyptic number.

43944730 is a deficient number, since it is larger than the sum of its proper divisors (35155802).

43944730 is a wasteful number, since it uses less digits than its factorization.

43944730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4394480.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 43944730 is about 6629.0821385770. The cubic root of 43944730 is about 352.8869516314.

The spelling of 43944730 in words is "forty-three million, nine hundred forty-four thousand, seven hundred thirty".