18127450 has 48 divisors (see below), whose sum is σ = 38408256. Its totient is φ = 6300800.

The previous prime is 18127441. The next prime is 18127451. The reversal of 18127450 is 5472181.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (18127451) 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 23 ways as a sum of consecutive naturals, for example, 11934 + ... + 13366.

It is an arithmetic number, because the mean of its divisors is an integer number (800172).

Almost surely, 2^18127450 is an apocalyptic number.

18127450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18127450 is an abundant number, since it is smaller than the sum of its proper divisors (20280806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18127450 is a wasteful number, since it uses less digits than its factorization.

18127450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479 (or 1474 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 18127450 is about 4257.6343196663. The cubic root of 18127450 is about 262.6912287606.

The spelling of 18127450 in words is "eighteen million, one hundred twenty-seven thousand, four hundred fifty".