18679130 has 8 divisors (see below), whose sum is σ = 33622452. Its totient is φ = 7471648.

The previous prime is 18679121. The next prime is 18679181. The reversal of 18679130 is 3197681.

It can be written as a sum of positive squares in 2 ways, for example, as 18550249 + 128881 = 4307^2 + 359^2 .

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

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, 933947 + ... + 933966.

Almost surely, 2^18679130 is an apocalyptic number.

18679130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18679130 is a deficient number, since it is larger than the sum of its proper divisors (14943322).

18679130 is a wasteful number, since it uses less digits than its factorization.

18679130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867920.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 18679130 is about 4321.9359088260. The cubic root of 18679130 is about 265.3295058636.

The spelling of 18679130 in words is "eighteen million, six hundred seventy-nine thousand, one hundred thirty".