73504469 has 2 divisors, whose sum is σ = 73504470. Its totient is φ = 73504468.

The previous prime is 73504423. The next prime is 73504489. The reversal of 73504469 is 96440537.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72880369 + 624100 = 8537^2 + 790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73504469 is a prime.

It is a super-2 number, since 2×73504469² = 10805813925943922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73504489) 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, 36752234 + 36752235.

It is an arithmetic number, because the mean of its divisors is an integer number (36752235).

Almost surely, 2^73504469 is an apocalyptic number.

It is an amenable number.

73504469 is a deficient number, since it is larger than the sum of its proper divisors (1).

73504469 is an equidigital number, since it uses as much as digits as its factorization.

73504469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 73504469 is about 8573.4747331522. The cubic root of 73504469 is about 418.8944260415.

The spelling of 73504469 in words is "seventy-three million, five hundred four thousand, four hundred sixty-nine".