73024009 has 2 divisors, whose sum is σ = 73024010. Its totient is φ = 73024008.

The previous prime is 73023991. The next prime is 73024033. The reversal of 73024009 is 90042037.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61968384 + 11055625 = 7872^2 + 3325^2 .

It is a cyclic number.

It is not a de Polignac number, because 73024009 - 2⁹ = 73023497 is a prime.

It is not a weakly prime, because it can be changed into another prime (73024069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36512004 + 36512005.

It is an arithmetic number, because the mean of its divisors is an integer number (36512005).

Almost surely, 2^73024009 is an apocalyptic number.

It is an amenable number.

73024009 is a deficient number, since it is larger than the sum of its proper divisors (1).

73024009 is an equidigital number, since it uses as much as digits as its factorization.

73024009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 73024009 is about 8545.4086502636. The cubic root of 73024009 is about 417.9797327689.

It can be divided in two parts, 7302 and 4009, that added together give a palindrome (11311).

The spelling of 73024009 in words is "seventy-three million, twenty-four thousand, nine".