43497745 has 8 divisors (see below), whose sum is σ = 54944640. Its totient is φ = 32966640.

The previous prime is 43497731. The next prime is 43497757. The reversal of 43497745 is 54779434.

43497745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 43497745 - 2⁷ = 43497617 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 228841 + ... + 229030.

It is an arithmetic number, because the mean of its divisors is an integer number (6868080).

Almost surely, 2^43497745 is an apocalyptic number.

It is an amenable number.

43497745 is a deficient number, since it is larger than the sum of its proper divisors (11446895).

43497745 is a wasteful number, since it uses less digits than its factorization.

43497745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457895.

The product of its digits is 423360, while the sum is 43.

The square root of 43497745 is about 6595.2820258121. The cubic root of 43497745 is about 351.6864055566.

The spelling of 43497745 in words is "forty-three million, four hundred ninety-seven thousand, seven hundred forty-five".