73040459 has 2 divisors, whose sum is σ = 73040460. Its totient is φ = 73040458.

The previous prime is 73040437. The next prime is 73040467. The reversal of 73040459 is 95404037.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73040459 - 2¹² = 73036363 is a prime.

It is a Chen prime.

It is equal to p_4286327 and since 73040459 and 4286327 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (73040419) 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, 36520229 + 36520230.

It is an arithmetic number, because the mean of its divisors is an integer number (36520230).

Almost surely, 2^73040459 is an apocalyptic number.

73040459 is a deficient number, since it is larger than the sum of its proper divisors (1).

73040459 is an equidigital number, since it uses as much as digits as its factorization.

73040459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 73040459 is about 8546.3711012336. The cubic root of 73040459 is about 418.0111162844.

The spelling of 73040459 in words is "seventy-three million, forty thousand, four hundred fifty-nine".