18074706 has 64 divisors (see below), whose sum is σ = 42311808. Its totient is φ = 5096448.

The previous prime is 18074701. The next prime is 18074713. The reversal of 18074706 is 60747081.

It is not an unprimeable number, because it can be changed into a prime (18074701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56860 + ... + 57176.

It is an arithmetic number, because the mean of its divisors is an integer number (661122).

Almost surely, 2^18074706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18074706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21155904).

18074706 is an abundant number, since it is smaller than the sum of its proper divisors (24237102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18074706 is a wasteful number, since it uses less digits than its factorization.

18074706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 18074706 is about 4251.4357574824. The cubic root of 18074706 is about 262.4362039979.

The spelling of 18074706 in words is "eighteen million, seventy-four thousand, seven hundred six".