43630105 has 4 divisors (see below), whose sum is σ = 52356132. Its totient is φ = 34904080.

The previous prime is 43630063. The next prime is 43630121. The reversal of 43630105 is 50103634.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22174681 + 21455424 = 4709^2 + 4632^2 .

It is not a de Polignac number, because 43630105 - 2⁷ = 43629977 is a prime.

It is a super-2 number, since 2×43630105² = 3807172124622050, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4363006 + ... + 4363015.

It is an arithmetic number, because the mean of its divisors is an integer number (13089033).

Almost surely, 2^43630105 is an apocalyptic number.

It is an amenable number.

43630105 is a deficient number, since it is larger than the sum of its proper divisors (8726027).

43630105 is an equidigital number, since it uses as much as digits as its factorization.

43630105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8726026.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 43630105 is about 6605.3088497057. The cubic root of 43630105 is about 352.0427617859.

Adding to 43630105 its reverse (50103634), we get a palindrome (93733739).

The spelling of 43630105 in words is "forty-three million, six hundred thirty thousand, one hundred five".