18354743 has 8 divisors (see below), whose sum is σ = 20062080. Its totient is φ = 16653880.

The previous prime is 18354731. The next prime is 18354761. The reversal of 18354743 is 34745381.

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

It is a cyclic number.

It is not a de Polignac number, because 18354743 - 2⁴ = 18354727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18354043) 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, 5828 + ... + 8406.

It is an arithmetic number, because the mean of its divisors is an integer number (2507760).

Almost surely, 2^18354743 is an apocalyptic number.

18354743 is a deficient number, since it is larger than the sum of its proper divisors (1707337).

18354743 is a wasteful number, since it uses less digits than its factorization.

18354743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3237.

The product of its digits is 40320, while the sum is 35.

The square root of 18354743 is about 4284.2435738412. The cubic root of 18354743 is about 263.7845991312.

The spelling of 18354743 in words is "eighteen million, three hundred fifty-four thousand, seven hundred forty-three".