73685699 has 8 divisors (see below), whose sum is σ = 74366208. Its totient is φ = 73008640.

The previous prime is 73685671. The next prime is 73685719. The reversal of 73685699 is 99658637.

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 73685699 - 2¹² = 73681603 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73685699.

It is not an unprimeable number, because it can be changed into a prime (73685609) 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, 59939 + ... + 61155.

It is an arithmetic number, because the mean of its divisors is an integer number (9295776).

Almost surely, 2^73685699 is an apocalyptic number.

73685699 is a deficient number, since it is larger than the sum of its proper divisors (680509).

73685699 is a wasteful number, since it uses less digits than its factorization.

73685699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725.

The product of its digits is 2449440, while the sum is 53.

The square root of 73685699 is about 8584.0374533200. The cubic root of 73685699 is about 419.2384138791.

The spelling of 73685699 in words is "seventy-three million, six hundred eighty-five thousand, six hundred ninety-nine".