43130733 has 4 divisors (see below), whose sum is σ = 57507648. Its totient is φ = 28753820.

The previous prime is 43130723. The next prime is 43130753. The reversal of 43130733 is 33703134.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43130733 - 2¹⁴ = 43114349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43130713) 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, 7188453 + ... + 7188458.

It is an arithmetic number, because the mean of its divisors is an integer number (14376912).

Almost surely, 2^43130733 is an apocalyptic number.

It is an amenable number.

43130733 is a deficient number, since it is larger than the sum of its proper divisors (14376915).

43130733 is a wasteful number, since it uses less digits than its factorization.

43130733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14376914.

The product of its (nonzero) digits is 2268, while the sum is 24.

The square root of 43130733 is about 6567.3992569357. The cubic root of 43130733 is about 350.6944931382.

Adding to 43130733 its reverse (33703134), we get a palindrome (76833867).

The spelling of 43130733 in words is "forty-three million, one hundred thirty thousand, seven hundred thirty-three".