18230078 has 8 divisors (see below), whose sum is σ = 27927072. Its totient is φ = 8921056.

The previous prime is 18230057. The next prime is 18230081. The reversal of 18230078 is 87003281.

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

It is a self number, because there is not a number n which added to its sum of digits gives 18230078.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96875 + ... + 97062.

It is an arithmetic number, because the mean of its divisors is an integer number (3490884).

Almost surely, 2^18230078 is an apocalyptic number.

18230078 is a deficient number, since it is larger than the sum of its proper divisors (9696994).

18230078 is a wasteful number, since it uses less digits than its factorization.

18230078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193986.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 18230078 is about 4269.6695422480. The cubic root of 18230078 is about 263.1860355885.

The spelling of 18230078 in words is "eighteen million, two hundred thirty thousand, seventy-eight".