73707685 has 4 divisors (see below), whose sum is σ = 88449228. Its totient is φ = 58966144.

The previous prime is 73707659. The next prime is 73707701. The reversal of 73707685 is 58670737.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49589764 + 24117921 = 7042^2 + 4911^2 .

It is a cyclic number.

It is not a de Polignac number, because 73707685 - 2¹⁵ = 73674917 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 3 ways as a sum of consecutive naturals, for example, 7370764 + ... + 7370773.

It is an arithmetic number, because the mean of its divisors is an integer number (22112307).

Almost surely, 2^73707685 is an apocalyptic number.

It is an amenable number.

73707685 is a deficient number, since it is larger than the sum of its proper divisors (14741543).

73707685 is a wasteful number, since it uses less digits than its factorization.

73707685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14741542.

The product of its (nonzero) digits is 246960, while the sum is 43.

The square root of 73707685 is about 8585.3179906163. The cubic root of 73707685 is about 419.2801065427.

The spelling of 73707685 in words is "seventy-three million, seven hundred seven thousand, six hundred eighty-five".