43740706 has 4 divisors (see below), whose sum is σ = 65611062. Its totient is φ = 21870352.

The previous prime is 43740703. The next prime is 43740707. The reversal of 43740706 is 60704734.

43740706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 39501225 + 4239481 = 6285^2 + 2059^2 .

It is a super-2 number, since 2×43740706² = 3826498722756872, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (43740703) by changing a digit.

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 as a sum of consecutive naturals, namely, 10935175 + ... + 10935178.

Almost surely, 2^43740706 is an apocalyptic number.

43740706 is a deficient number, since it is larger than the sum of its proper divisors (21870356).

43740706 is a wasteful number, since it uses less digits than its factorization.

43740706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21870355.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 43740706 is about 6613.6756799831. The cubic root of 43740706 is about 352.3399833716.

The spelling of 43740706 in words is "forty-three million, seven hundred forty thousand, seven hundred six".