43073077 has 2 divisors, whose sum is σ = 43073078. Its totient is φ = 43073076.

The previous prime is 43073071. The next prime is 43073101. The reversal of 43073077 is 77037034.

43073077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28026436 + 15046641 = 5294^2 + 3879^2 .

It is a cyclic number.

It is not a de Polignac number, because 43073077 - 2¹⁹ = 42548789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43073071) 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 as a sum of consecutive naturals, namely, 21536538 + 21536539.

It is an arithmetic number, because the mean of its divisors is an integer number (21536539).

Almost surely, 2^43073077 is an apocalyptic number.

It is an amenable number.

43073077 is a deficient number, since it is larger than the sum of its proper divisors (1).

43073077 is an equidigital number, since it uses as much as digits as its factorization.

43073077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12348, while the sum is 31.

The square root of 43073077 is about 6563.0082279394. The cubic root of 43073077 is about 350.5381571439.

The spelling of 43073077 in words is "forty-three million, seventy-three thousand, seventy-seven".