18074152 has 16 divisors (see below), whose sum is σ = 34226100. Its totient is φ = 8947200.

The previous prime is 18074141. The next prime is 18074227. The reversal of 18074152 is 25147081.

It can be written as a sum of positive squares in 2 ways, for example, as 16760836 + 1313316 = 4094^2 + 1146^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 18074152.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10377 + ... + 11992.

Almost surely, 2^18074152 is an apocalyptic number.

It is an amenable number.

18074152 is a deficient number, since it is larger than the sum of its proper divisors (16151948).

18074152 is a wasteful number, since it uses less digits than its factorization.

18074152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22476 (or 22472 counting only the distinct ones).

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

The square root of 18074152 is about 4251.3706025234. The cubic root of 18074152 is about 262.4335226976.

The spelling of 18074152 in words is "eighteen million, seventy-four thousand, one hundred fifty-two".