73684825 has 12 divisors (see below), whose sum is σ = 91516588. Its totient is φ = 58852800.

The previous prime is 73684781. The next prime is 73684859. The reversal of 73684825 is 52848637.

It can be written as a sum of positive squares in 6 ways, for example, as 633616 + 73051209 = 796^2 + 8547^2 .

It is not a de Polignac number, because 73684825 - 2¹³ = 73676633 is a prime.

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 16315 + ... + 20335.

Almost surely, 2^73684825 is an apocalyptic number.

It is an amenable number.

73684825 is a deficient number, since it is larger than the sum of its proper divisors (17831763).

73684825 is a wasteful number, since it uses less digits than its factorization.

73684825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4764 (or 4759 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 73684825 is about 8583.9865447238. The cubic root of 73684825 is about 419.2367563172.

The spelling of 73684825 in words is "seventy-three million, six hundred eighty-four thousand, eight hundred twenty-five".