43872706 has 8 divisors (see below), whose sum is σ = 67414284. Its totient is φ = 21401280.

The previous prime is 43872701. The next prime is 43872769. The reversal of 43872706 is 60727834.

43872706 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 41796225 + 2076481 = 6465^2 + 1441^2 .

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

It is not an unprimeable number, because it can be changed into a prime (43872701) 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 in 3 ways as a sum of consecutive naturals, for example, 267435 + ... + 267598.

Almost surely, 2^43872706 is an apocalyptic number.

43872706 is a deficient number, since it is larger than the sum of its proper divisors (23541578).

43872706 is a wasteful number, since it uses less digits than its factorization.

43872706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535076.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 43872706 is about 6623.6474845813. The cubic root of 43872706 is about 352.6940560860.

The spelling of 43872706 in words is "forty-three million, eight hundred seventy-two thousand, seven hundred six".