18074043 has 48 divisors (see below), whose sum is σ = 30831840. Its totient is φ = 10423296.

The previous prime is 18074041. The next prime is 18074057. The reversal of 18074043 is 34047081.

It is not a de Polignac number, because 18074043 - 2¹ = 18074041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 18073998 and 18074016.

It is not an unprimeable number, because it can be changed into a prime (18074041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77455 + ... + 77687.

It is an arithmetic number, because the mean of its divisors is an integer number (642330).

Almost surely, 2^18074043 is an apocalyptic number.

18074043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

18074043 is a deficient number, since it is larger than the sum of its proper divisors (12757797).

18074043 is a wasteful number, since it uses less digits than its factorization.

18074043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 18074043 is about 4251.3577831088. The cubic root of 18074043 is about 262.4329951429.

The spelling of 18074043 in words is "eighteen million, seventy-four thousand, forty-three".