43972449 has 8 divisors (see below), whose sum is σ = 58767072. Its totient is φ = 29246400.

The previous prime is 43972447. The next prime is 43972469. The reversal of 43972449 is 94427934.

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

It is not a de Polignac number, because 43972449 - 2¹ = 43972447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43972449.

It is not an unprimeable number, because it can be changed into a prime (43972447) 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, 15627 + ... + 18224.

It is an arithmetic number, because the mean of its divisors is an integer number (7345884).

Almost surely, 2^43972449 is an apocalyptic number.

It is an amenable number.

43972449 is a deficient number, since it is larger than the sum of its proper divisors (14794623).

43972449 is a wasteful number, since it uses less digits than its factorization.

43972449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34287.

The product of its digits is 217728, while the sum is 42.

The square root of 43972449 is about 6631.1725207538. The cubic root of 43972449 is about 352.9611328242.

The spelling of 43972449 in words is "forty-three million, nine hundred seventy-two thousand, four hundred forty-nine".