73261225 has 6 divisors (see below), whose sum is σ = 90843950. Its totient is φ = 58608960.

The previous prime is 73261171. The next prime is 73261231. The reversal of 73261225 is 52216237.

It can be written as a sum of positive squares in 3 ways, for example, as 11999296 + 61261929 = 3464^2 + 7827^2 .

It is not a de Polignac number, because 73261225 - 2¹¹ = 73259177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73261193 and 73261202.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1465200 + ... + 1465249.

Almost surely, 2^73261225 is an apocalyptic number.

It is an amenable number.

73261225 is a deficient number, since it is larger than the sum of its proper divisors (17582725).

73261225 is a wasteful number, since it uses less digits than its factorization.

73261225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2930459 (or 2930454 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 73261225 is about 8559.2771306928. The cubic root of 73261225 is about 418.4318411991.

The spelling of 73261225 in words is "seventy-three million, two hundred sixty-one thousand, two hundred twenty-five".