43720027 has 8 divisors (see below), whose sum is σ = 47401200. Its totient is φ = 40084320.

The previous prime is 43719997. The next prime is 43720049. The reversal of 43720027 is 72002734.

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

It is a cyclic number.

It is not a de Polignac number, because 43720027 - 2²³ = 35331419 is a prime.

It is a super-2 number, since 2×43720027² = 3822881521761458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43719983 and 43720010.

It is not an unprimeable number, because it can be changed into a prime (43720927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9349 + ... + 13222.

It is an arithmetic number, because the mean of its divisors is an integer number (5925150).

Almost surely, 2^43720027 is an apocalyptic number.

43720027 is a deficient number, since it is larger than the sum of its proper divisors (3681173).

43720027 is a wasteful number, since it uses less digits than its factorization.

43720027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22733.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 43720027 is about 6612.1121436346. The cubic root of 43720027 is about 352.2844501497.

The spelling of 43720027 in words is "forty-three million, seven hundred twenty thousand, twenty-seven".