43020872 has 16 divisors (see below), whose sum is σ = 81686400. Its totient is φ = 21237840.

The previous prime is 43020851. The next prime is 43020889. The reversal of 43020872 is 27802034.

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, 33404 + ... + 34667.

It is an arithmetic number, because the mean of its divisors is an integer number (5105400).

Almost surely, 2^43020872 is an apocalyptic number.

It is an amenable number.

43020872 is a deficient number, since it is larger than the sum of its proper divisors (38665528).

43020872 is a wasteful number, since it uses less digits than its factorization.

43020872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68156 (or 68152 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 43020872 is about 6559.0298063052. The cubic root of 43020872 is about 350.3964813071.

The spelling of 43020872 in words is "forty-three million, twenty thousand, eight hundred seventy-two".