73448225 has 6 divisors (see below), whose sum is σ = 91075830. Its totient is φ = 58758560.

The previous prime is 73448197. The next prime is 73448237. The reversal of 73448225 is 52284437.

It can be written as a sum of positive squares in 3 ways, for example, as 10705984 + 62742241 = 3272^2 + 7921^2 .

It is a de Polignac number, because none of the positive numbers 2^k-73448225 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1468940 + ... + 1468989.

It is an arithmetic number, because the mean of its divisors is an integer number (15179305).

Almost surely, 2^73448225 is an apocalyptic number.

It is an amenable number.

73448225 is a deficient number, since it is larger than the sum of its proper divisors (17627605).

73448225 is a wasteful number, since it uses less digits than its factorization.

73448225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2937939 (or 2937934 counting only the distinct ones).

The product of its digits is 53760, while the sum is 35.

The square root of 73448225 is about 8570.1939884696. The cubic root of 73448225 is about 418.7875558505.

The spelling of 73448225 in words is "seventy-three million, four hundred forty-eight thousand, two hundred twenty-five".