73663685 has 8 divisors (see below), whose sum is σ = 88442496. Its totient is φ = 58900240.

The previous prime is 73663673. The next prime is 73663697. The reversal of 73663685 is 58636637.

It is an interprime number because it is at equal distance from previous prime (73663673) and next prime (73663697).

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

It is not a de Polignac number, because 73663685 - 2⁶ = 73663621 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16880 + ... + 20790.

It is an arithmetic number, because the mean of its divisors is an integer number (11055312).

Almost surely, 2^73663685 is an apocalyptic number.

It is an amenable number.

73663685 is a deficient number, since it is larger than the sum of its proper divisors (14778811).

73663685 is a wasteful number, since it uses less digits than its factorization.

73663685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7683.

The product of its digits is 544320, while the sum is 44.

The square root of 73663685 is about 8582.7550937913. The cubic root of 73663685 is about 419.1966598083.

The spelling of 73663685 in words is "seventy-three million, six hundred sixty-three thousand, six hundred eighty-five".