43473 has 8 divisors (see below), whose sum is σ = 59488. Its totient is φ = 28224.

The previous prime is 43457. The next prime is 43481. The reversal of 43473 is 37434.

43473 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 43473 - 2⁴ = 43457 is a prime.

It is a d-powerful number, because it can be written as 4 + 3⁹ + 4⁶ + 7 + 3⁹ .

It is the 209-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43403) by changing a digit.

It is a nontrivial repunit in base 208.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40 + ... + 297.

It is an arithmetic number, because the mean of its divisors is an integer number (7436).

2⁴³⁴⁷³ is an apocalyptic number.

43473 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

43473 is a deficient number, since it is larger than the sum of its proper divisors (16015).

43473 is a wasteful number, since it uses less digits than its factorization.

43473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383.

The product of its digits is 1008, while the sum is 21.

The square root of 43473 is about 208.5017985534. The cubic root of 43473 is about 35.1619703778.

It can be divided in two parts, 4347 and 3, that multiplied together give a triangular number (13041 = T₁₆₁).

The spelling of 43473 in words is "forty-three thousand, four hundred seventy-three", and thus it is an iban number.