43134737 has 2 divisors, whose sum is σ = 43134738. Its totient is φ = 43134736.

The previous prime is 43134703. The next prime is 43134743. The reversal of 43134737 is 73743134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27206656 + 15928081 = 5216^2 + 3991^2 .

It is a cyclic number.

It is not a de Polignac number, because 43134737 - 2²⁴ = 26357521 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (43134757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21567368 + 21567369.

It is an arithmetic number, because the mean of its divisors is an integer number (21567369).

Almost surely, 2^43134737 is an apocalyptic number.

It is an amenable number.

43134737 is a deficient number, since it is larger than the sum of its proper divisors (1).

43134737 is an equidigital number, since it uses as much as digits as its factorization.

43134737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 32.

The square root of 43134737 is about 6567.7040889492. The cubic root of 43134737 is about 350.7053449307.

The spelling of 43134737 in words is "forty-three million, one hundred thirty-four thousand, seven hundred thirty-seven".