18886073 has 8 divisors (see below), whose sum is σ = 19692288. Its totient is φ = 18096624.

The previous prime is 18886061. The next prime is 18886079. The reversal of 18886073 is 37068881.

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 18886073 - 2¹⁰ = 18885049 is a prime.

It is a super-2 number, since 2×18886073² = 713367506722658, which contains 22 as substring.

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 18886073.

It is not an unprimeable number, because it can be changed into a prime (18886079) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1865 + ... + 6422.

It is an arithmetic number, because the mean of its divisors is an integer number (2461536).

Almost surely, 2^18886073 is an apocalyptic number.

It is an amenable number.

18886073 is a deficient number, since it is larger than the sum of its proper divisors (806215).

18886073 is an equidigital number, since it uses as much as digits as its factorization.

18886073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8383.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 18886073 is about 4345.8109714989. The cubic root of 18886073 is about 266.3057567257.

The spelling of 18886073 in words is "eighteen million, eight hundred eighty-six thousand, seventy-three".