18481754 has 16 divisors (see below), whose sum is σ = 29458728. Its totient is φ = 8666112.

The previous prime is 18481751. The next prime is 18481769. The reversal of 18481754 is 45718481.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16851025 + 1630729 = 4105^2 + 1277^2 .

It is not an unprimeable number, because it can be changed into a prime (18481751) 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, 10652 + ... + 12264.

Almost surely, 2^18481754 is an apocalyptic number.

18481754 is a deficient number, since it is larger than the sum of its proper divisors (10976974).

18481754 is a wasteful number, since it uses less digits than its factorization.

18481754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969.

The product of its digits is 35840, while the sum is 38.

The square root of 18481754 is about 4299.0410558635. The cubic root of 18481754 is about 264.3916458994.

The spelling of 18481754 in words is "eighteen million, four hundred eighty-one thousand, seven hundred fifty-four".