73405469 has 2 divisors, whose sum is σ = 73405470. Its totient is φ = 73405468.

The previous prime is 73405411. The next prime is 73405511. The reversal of 73405469 is 96450437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40170244 + 33235225 = 6338^2 + 5765^2 .

It is an emirp because it is prime and its reverse (96450437) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73405469 - 2¹² = 73401373 is a prime.

It is a super-2 number, since 2×73405469² = 10776725758219922, 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 (73405769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36702734 + 36702735.

It is an arithmetic number, because the mean of its divisors is an integer number (36702735).

Almost surely, 2^73405469 is an apocalyptic number.

It is an amenable number.

73405469 is a deficient number, since it is larger than the sum of its proper divisors (1).

73405469 is an equidigital number, since it uses as much as digits as its factorization.

73405469 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 73405469 is about 8567.6991660539. The cubic root of 73405469 is about 418.7062779331.

The spelling of 73405469 in words is "seventy-three million, four hundred five thousand, four hundred sixty-nine".