18075046 has 32 divisors (see below), whose sum is σ = 32348160. Its totient is φ = 7478400.

The previous prime is 18075037. The next prime is 18075049. The reversal of 18075046 is 64057081.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 18074999 and 18075017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18075049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10815 + ... + 12373.

It is an arithmetic number, because the mean of its divisors is an integer number (1010880).

Almost surely, 2^18075046 is an apocalyptic number.

18075046 is a deficient number, since it is larger than the sum of its proper divisors (14273114).

18075046 is a wasteful number, since it uses less digits than its factorization.

18075046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 18075046 is about 4251.4757437859. The cubic root of 18075046 is about 262.4378495341.

The spelling of 18075046 in words is "eighteen million, seventy-five thousand, forty-six".