73061525 has 6 divisors (see below), whose sum is σ = 90596322. Its totient is φ = 58449200.

The previous prime is 73061519. The next prime is 73061537. The reversal of 73061525 is 52516037.

It can be written as a sum of positive squares in 3 ways, for example, as 12439729 + 60621796 = 3527^2 + 7786^2 .

It is not a de Polignac number, because 73061525 - 2⁸ = 73061269 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1461206 + ... + 1461255.

It is an arithmetic number, because the mean of its divisors is an integer number (15099387).

Almost surely, 2^73061525 is an apocalyptic number.

It is an amenable number.

73061525 is a deficient number, since it is larger than the sum of its proper divisors (17534797).

73061525 is a wasteful number, since it uses less digits than its factorization.

73061525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922471 (or 2922466 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 73061525 is about 8547.6034652995. The cubic root of 73061525 is about 418.0512993823.

The spelling of 73061525 in words is "seventy-three million, sixty-one thousand, five hundred twenty-five".