43007 has 4 divisors (see below), whose sum is σ = 44520. Its totient is φ = 41496.

The previous prime is 43003. The next prime is 43013. The reversal of 43007 is 70034.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43007 - 2² = 43003 is a prime.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 42982 and 43000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43003) by changing a digit.

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, 713 + ... + 770.

It is an arithmetic number, because the mean of its divisors is an integer number (11130).

2⁴³⁰⁰⁷ is an apocalyptic number.

43007 is a deficient number, since it is larger than the sum of its proper divisors (1513).

43007 is a wasteful number, since it uses less digits than its factorization.

43007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512.

The product of its (nonzero) digits is 84, while the sum is 14.

The square root of 43007 is about 207.3812913452. The cubic root of 43007 is about 35.0358815694.

The spelling of 43007 in words is "forty-three thousand, seven", and thus it is an iban number.