18074529 has 32 divisors (see below), whose sum is σ = 30758400. Its totient is φ = 10374480.

The previous prime is 18074501. The next prime is 18074531. The reversal of 18074529 is 92547081.

It is not a de Polignac number, because 18074529 - 2¹³ = 18066337 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18074493 and 18074502.

It is not an unprimeable number, because it can be changed into a prime (18074579) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4042 + ... + 7244.

It is an arithmetic number, because the mean of its divisors is an integer number (961200).

Almost surely, 2^18074529 is an apocalyptic number.

18074529 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

18074529 is a deficient number, since it is larger than the sum of its proper divisors (12683871).

18074529 is a wasteful number, since it uses less digits than its factorization.

18074529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3242 (or 3236 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 18074529 is about 4251.4149409344. The cubic root of 18074529 is about 262.4353473429.

It can be divided in two parts, 1807 and 4529, that added together give a palindrome (6336).

The spelling of 18074529 in words is "eighteen million, seventy-four thousand, five hundred twenty-nine".