18534741 has 8 divisors (see below), whose sum is σ = 25565280. Its totient is φ = 11930352.

The previous prime is 18534727. The next prime is 18534749. The reversal of 18534741 is 14743581.

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

It is not a de Polignac number, because 18534741 - 2⁷ = 18534613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18534749) 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, 106435 + ... + 106608.

It is an arithmetic number, because the mean of its divisors is an integer number (3195660).

Almost surely, 2^18534741 is an apocalyptic number.

It is an amenable number.

18534741 is a deficient number, since it is larger than the sum of its proper divisors (7030539).

18534741 is a wasteful number, since it uses less digits than its factorization.

18534741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213075.

The product of its digits is 13440, while the sum is 33.

The square root of 18534741 is about 4305.1992985227. The cubic root of 18534741 is about 264.6440741994.

The spelling of 18534741 in words is "eighteen million, five hundred thirty-four thousand, seven hundred forty-one".