73541669 has 2 divisors, whose sum is σ = 73541670. Its totient is φ = 73541668.

The previous prime is 73541621. The next prime is 73541701. The reversal of 73541669 is 96614537.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61811044 + 11730625 = 7862^2 + 3425^2 .

It is an emirp because it is prime and its reverse (96614537) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73541669 - 2¹² = 73537573 is a prime.

It is a super-2 number, since 2×73541669² = 10816754158611122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73543669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36770834 + 36770835.

It is an arithmetic number, because the mean of its divisors is an integer number (36770835).

Almost surely, 2^73541669 is an apocalyptic number.

It is an amenable number.

73541669 is a deficient number, since it is larger than the sum of its proper divisors (1).

73541669 is an equidigital number, since it uses as much as digits as its factorization.

73541669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 41.

The square root of 73541669 is about 8575.6439408362. The cubic root of 73541669 is about 418.9650804512.

The spelling of 73541669 in words is "seventy-three million, five hundred forty-one thousand, six hundred sixty-nine".