18741365 has 16 divisors (see below), whose sum is σ = 22953216. Its totient is φ = 14688000.

The previous prime is 18741319. The next prime is 18741367. The reversal of 18741365 is 56314781.

It is not a de Polignac number, because 18741365 - 2¹² = 18737269 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 (18741367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77645 + ... + 77885.

It is an arithmetic number, because the mean of its divisors is an integer number (1434576).

Almost surely, 2^18741365 is an apocalyptic number.

It is an amenable number.

18741365 is a deficient number, since it is larger than the sum of its proper divisors (4211851).

18741365 is a wasteful number, since it uses less digits than its factorization.

18741365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500.

The product of its digits is 20160, while the sum is 35.

The square root of 18741365 is about 4329.1298201833. The cubic root of 18741365 is about 265.6238535591.

The spelling of 18741365 in words is "eighteen million, seven hundred forty-one thousand, three hundred sixty-five".