18074080 has 48 divisors (see below), whose sum is σ = 43246224. Its totient is φ = 7137280.

The previous prime is 18074059. The next prime is 18074083. The reversal of 18074080 is 8047081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18074083) 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, 12600 + ... + 13960.

It is an arithmetic number, because the mean of its divisors is an integer number (900963).

Almost surely, 2^18074080 is an apocalyptic number.

18074080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18074080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21623112).

18074080 is an abundant number, since it is smaller than the sum of its proper divisors (25172144).

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

18074080 is a wasteful number, since it uses less digits than its factorization.

18074080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459 (or 1451 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 18074080 is about 4251.3621346575. The cubic root of 18074080 is about 262.4331742214.

The spelling of 18074080 in words is "eighteen million, seventy-four thousand, eighty".