73426669 has 2 divisors, whose sum is σ = 73426670. Its totient is φ = 73426668.

The previous prime is 73426627. The next prime is 73426681. The reversal of 73426669 is 96662437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60372900 + 13053769 = 7770^2 + 3613^2 .

It is a cyclic number.

It is not a de Polignac number, because 73426669 - 2¹¹ = 73424621 is a prime.

It is a super-2 number, since 2×73426669² = 10782951440871122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73421669) 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, 36713334 + 36713335.

It is an arithmetic number, because the mean of its divisors is an integer number (36713335).

Almost surely, 2^73426669 is an apocalyptic number.

It is an amenable number.

73426669 is a deficient number, since it is larger than the sum of its proper divisors (1).

73426669 is an equidigital number, since it uses as much as digits as its factorization.

73426669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 43.

The square root of 73426669 is about 8568.9362817096. The cubic root of 73426669 is about 418.7465824626.

The spelling of 73426669 in words is "seventy-three million, four hundred twenty-six thousand, six hundred sixty-nine".