18067734 has 12 divisors (see below), whose sum is σ = 39146796. Its totient is φ = 6022572.

The previous prime is 18067711. The next prime is 18067739. The reversal of 18067734 is 43776081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18067739) 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 5 ways as a sum of consecutive naturals, for example, 501864 + ... + 501899.

It is an arithmetic number, because the mean of its divisors is an integer number (3262233).

Almost surely, 2^18067734 is an apocalyptic number.

18067734 is an abundant number, since it is smaller than the sum of its proper divisors (21079062).

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

18067734 is a wasteful number, since it uses less digits than its factorization.

18067734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003771 (or 1003768 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 18067734 is about 4250.6157201046. The cubic root of 18067734 is about 262.4024562747.

The spelling of 18067734 in words is "eighteen million, sixty-seven thousand, seven hundred thirty-four".