73685525 has 12 divisors (see below), whose sum is σ = 91600164. Its totient is φ = 58800000.

The previous prime is 73685501. The next prime is 73685533. The reversal of 73685525 is 52558637.

It can be written as a sum of positive squares in 6 ways, for example, as 19412836 + 54272689 = 4406^2 + 7367^2 .

It is not a de Polignac number, because 73685525 - 2¹² = 73681429 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 (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7025 + ... + 14025.

It is an arithmetic number, because the mean of its divisors is an integer number (7633347).

Almost surely, 2^73685525 is an apocalyptic number.

It is an amenable number.

73685525 is a deficient number, since it is larger than the sum of its proper divisors (17914639).

73685525 is a wasteful number, since it uses less digits than its factorization.

73685525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7432 (or 7427 counting only the distinct ones).

The product of its digits is 252000, while the sum is 41.

The square root of 73685525 is about 8584.0273182231. The cubic root of 73685525 is about 419.2380838850.

The spelling of 73685525 in words is "seventy-three million, six hundred eighty-five thousand, five hundred twenty-five".