73005685 has 8 divisors (see below), whose sum is σ = 87888600. Its totient is φ = 58216704.

The previous prime is 73005661. The next prime is 73005689. The reversal of 73005685 is 58650037.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 125316 + 72880369 = 354^2 + 8537^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73005685 - 2⁹ = 73005173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73005685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73005689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21760 + ... + 24889.

It is an arithmetic number, because the mean of its divisors is an integer number (10986075).

Almost surely, 2^73005685 is an apocalyptic number.

It is an amenable number.

73005685 is a deficient number, since it is larger than the sum of its proper divisors (14882915).

73005685 is a wasteful number, since it uses less digits than its factorization.

73005685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46967.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 73005685 is about 8544.3364283015. The cubic root of 73005685 is about 417.9447684630.

The spelling of 73005685 in words is "seventy-three million, five thousand, six hundred eighty-five".