43734489 has 8 divisors (see below), whose sum is σ = 61742880. Its totient is φ = 27441216.

The previous prime is 43734473. The next prime is 43734527. The reversal of 43734489 is 98443734.

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

It is not a de Polignac number, because 43734489 - 2⁴ = 43734473 is a prime.

It is a super-2 number, since 2×43734489² = 3825411056182242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43734489.

It is not an unprimeable number, because it can be changed into a prime (43734419) 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, 428719 + ... + 428820.

It is an arithmetic number, because the mean of its divisors is an integer number (7717860).

Almost surely, 2^43734489 is an apocalyptic number.

It is an amenable number.

43734489 is a deficient number, since it is larger than the sum of its proper divisors (18008391).

43734489 is a wasteful number, since it uses less digits than its factorization.

43734489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857559.

The product of its digits is 290304, while the sum is 42.

The square root of 43734489 is about 6613.2056523293. The cubic root of 43734489 is about 352.3232895284.

The spelling of 43734489 in words is "forty-three million, seven hundred thirty-four thousand, four hundred eighty-nine".