18081074 has 16 divisors (see below), whose sum is σ = 29867616. Its totient is φ = 8140800.

The previous prime is 18081053. The next prime is 18081079. The reversal of 18081074 is 47018081.

It is not an unprimeable number, because it can be changed into a prime (18081079) 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, 1487 + ... + 6194.

It is an arithmetic number, because the mean of its divisors is an integer number (1866726).

Almost surely, 2^18081074 is an apocalyptic number.

18081074 is a deficient number, since it is larger than the sum of its proper divisors (11786542).

18081074 is a wasteful number, since it uses less digits than its factorization.

18081074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7801.

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 18081074 is about 4252.1846149950. The cubic root of 18081074 is about 262.4670204977.

It can be divided in two parts, 1808 and 1074, that added together give a palindrome (2882).

The spelling of 18081074 in words is "eighteen million, eighty-one thousand, seventy-four".