73831225 has 24 divisors (see below), whose sum is σ = 99021440. Its totient is φ = 54285120.

The previous prime is 73831223. The next prime is 73831237. The reversal of 73831225 is 52213837.

It is not a de Polignac number, because 73831225 - 2¹ = 73831223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73831223) 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 23 ways as a sum of consecutive naturals, for example, 118966 + ... + 119584.

Almost surely, 2^73831225 is an apocalyptic number.

It is an amenable number.

73831225 is a deficient number, since it is larger than the sum of its proper divisors (25190215).

73831225 is a wasteful number, since it uses less digits than its factorization.

73831225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009 (or 1004 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 73831225 is about 8592.5098196045. The cubic root of 73831225 is about 419.5142248355.

The spelling of 73831225 in words is "seventy-three million, eight hundred thirty-one thousand, two hundred twenty-five".