43063073 has 4 divisors (see below), whose sum is σ = 43377540. Its totient is φ = 42748608.

The previous prime is 43063043. The next prime is 43063087. The reversal of 43063073 is 37036034.

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

It can be written as a sum of positive squares in 2 ways, for example, as 36626704 + 6436369 = 6052^2 + 2537^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43063073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43063043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157028 + ... + 157301.

It is an arithmetic number, because the mean of its divisors is an integer number (10844385).

Almost surely, 2^43063073 is an apocalyptic number.

It is an amenable number.

43063073 is a deficient number, since it is larger than the sum of its proper divisors (314467).

43063073 is a wasteful number, since it uses less digits than its factorization.

43063073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314466.

The product of its (nonzero) digits is 4536, while the sum is 26.

The square root of 43063073 is about 6562.2460331810. The cubic root of 43063073 is about 350.5110167932.

The spelling of 43063073 in words is "forty-three million, sixty-three thousand, seventy-three".