18673130 has 16 divisors (see below), whose sum is σ = 38413440. Its totient is φ = 6402192.

The previous prime is 18673103. The next prime is 18673139. The reversal of 18673130 is 3137681.

It is a junction number, because it is equal to n+sod(n) for n = 18673093 and 18673102.

It is not an unprimeable number, because it can be changed into a prime (18673139) 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, 133310 + ... + 133449.

It is an arithmetic number, because the mean of its divisors is an integer number (2400840).

Almost surely, 2^18673130 is an apocalyptic number.

18673130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18673130 is an abundant number, since it is smaller than the sum of its proper divisors (19740310).

18673130 is a wasteful number, since it uses less digits than its factorization.

18673130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266773.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 18673130 is about 4321.2417196912. The cubic root of 18673130 is about 265.3010936281.

The spelling of 18673130 in words is "eighteen million, six hundred seventy-three thousand, one hundred thirty".