40273073 has 2 divisors, whose sum is σ = 40273074. Its totient is φ = 40273072.

The previous prime is 40273067. The next prime is 40273081. The reversal of 40273073 is 37037204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39337984 + 935089 = 6272^2 + 967^2 .

It is a cyclic number.

It is not a de Polignac number, because 40273073 - 2¹⁰ = 40272049 is a prime.

It is not a weakly prime, because it can be changed into another prime (40273033) 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, 20136536 + 20136537.

It is an arithmetic number, because the mean of its divisors is an integer number (20136537).

Almost surely, 2^40273073 is an apocalyptic number.

It is an amenable number.

40273073 is a deficient number, since it is larger than the sum of its proper divisors (1).

40273073 is an equidigital number, since it uses as much as digits as its factorization.

40273073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 26.

The square root of 40273073 is about 6346.1069168428. The cubic root of 40273073 is about 342.7716721389.

The spelling of 40273073 in words is "forty million, two hundred seventy-three thousand, seventy-three".