18036726 has 8 divisors (see below), whose sum is σ = 36073464. Its totient is φ = 6012240.

The previous prime is 18036709. The next prime is 18036751. The reversal of 18036726 is 62763081.

It is a sphenic number, since it is the product of 3 distinct primes.

18036726 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1503055 + ... + 1503066.

It is an arithmetic number, because the mean of its divisors is an integer number (4509183).

Almost surely, 2^18036726 is an apocalyptic number.

18036726 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18036726 is a wasteful number, since it uses less digits than its factorization.

18036726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3006126.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 18036726 is about 4246.9666822333. The cubic root of 18036726 is about 262.2522578696.

The spelling of 18036726 in words is "eighteen million, thirty-six thousand, seven hundred twenty-six".