73448869 has 4 divisors (see below), whose sum is σ = 79098796. Its totient is φ = 67798944.

The previous prime is 73448833. The next prime is 73448897. The reversal of 73448869 is 96884437.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10484644 + 62964225 = 3238^2 + 7935^2 .

It is a cyclic number.

It is not a de Polignac number, because 73448869 - 2¹³ = 73440677 is a prime.

It is a super-2 number, since 2×73448869² = 10789472714758322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73448069) 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 in 3 ways as a sum of consecutive naturals, for example, 2824944 + ... + 2824969.

It is an arithmetic number, because the mean of its divisors is an integer number (19774699).

Almost surely, 2^73448869 is an apocalyptic number.

It is an amenable number.

73448869 is a deficient number, since it is larger than the sum of its proper divisors (5649927).

73448869 is a wasteful number, since it uses less digits than its factorization.

73448869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5649926.

The product of its digits is 1161216, while the sum is 49.

The square root of 73448869 is about 8570.2315604656. The cubic root of 73448869 is about 418.7887798347.

The spelling of 73448869 in words is "seventy-three million, four hundred forty-eight thousand, eight hundred sixty-nine".