43473065 has 4 divisors (see below), whose sum is σ = 52167684. Its totient is φ = 34778448.

The previous prime is 43473049. The next prime is 43473071. The reversal of 43473065 is 56037434.

43473065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56037434 = 2 ⋅28018717.

It can be written as a sum of positive squares in 2 ways, for example, as 31494544 + 11978521 = 5612^2 + 3461^2 .

It is a cyclic number.

It is not a de Polignac number, because 43473065 - 2⁴ = 43473049 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 4347302 + ... + 4347311.

It is an arithmetic number, because the mean of its divisors is an integer number (13041921).

Almost surely, 2^43473065 is an apocalyptic number.

It is an amenable number.

43473065 is a deficient number, since it is larger than the sum of its proper divisors (8694619).

43473065 is an equidigital number, since it uses as much as digits as its factorization.

43473065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8694618.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 43473065 is about 6593.4107258687. The cubic root of 43473065 is about 351.6198790231.

The spelling of 43473065 in words is "forty-three million, four hundred seventy-three thousand, sixty-five".