18064371 has 8 divisors (see below), whose sum is σ = 25938640. Its totient is φ = 11116512.

The previous prime is 18064367. The next prime is 18064373. The reversal of 18064371 is 17346081.

It is a happy number.

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

It is not a de Polignac number, because 18064371 - 2² = 18064367 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18064373) 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, 231556 + ... + 231633.

It is an arithmetic number, because the mean of its divisors is an integer number (3242330).

Almost surely, 2^18064371 is an apocalyptic number.

18064371 is a deficient number, since it is larger than the sum of its proper divisors (7874269).

18064371 is a wasteful number, since it uses less digits than its factorization.

18064371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463205.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 18064371 is about 4250.2201119471. The cubic root of 18064371 is about 262.3861746865.

The spelling of 18064371 in words is "eighteen million, sixty-four thousand, three hundred seventy-one".