43486073 has 2 divisors, whose sum is σ = 43486074. Its totient is φ = 43486072.

The previous prime is 43486067. The next prime is 43486133. The reversal of 43486073 is 37068434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41628304 + 1857769 = 6452^2 + 1363^2 .

It is a cyclic number.

It is not a de Polignac number, because 43486073 - 2⁴ = 43486057 is a prime.

It is a super-2 number, since 2×43486073² = 3782077089922658, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (43486013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21743036 + 21743037.

It is an arithmetic number, because the mean of its divisors is an integer number (21743037).

Almost surely, 2^43486073 is an apocalyptic number.

It is an amenable number.

43486073 is a deficient number, since it is larger than the sum of its proper divisors (1).

43486073 is an equidigital number, since it uses as much as digits as its factorization.

43486073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 43486073 is about 6594.3970914709. The cubic root of 43486073 is about 351.6549460641.

The spelling of 43486073 in words is "forty-three million, four hundred eighty-six thousand, seventy-three".