18074733 has 4 divisors (see below), whose sum is σ = 24099648. Its totient is φ = 12049820.

The previous prime is 18074731. The next prime is 18074737. The reversal of 18074733 is 33747081.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 18074733 - 2¹ = 18074731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18074694 and 18074703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18074731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3012453 + ... + 3012458.

It is an arithmetic number, because the mean of its divisors is an integer number (6024912).

Almost surely, 2^18074733 is an apocalyptic number.

It is an amenable number.

18074733 is a deficient number, since it is larger than the sum of its proper divisors (6024915).

18074733 is an equidigital number, since it uses as much as digits as its factorization.

18074733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6024914.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 18074733 is about 4251.4389328791. The cubic root of 18074733 is about 262.4363346736.

The spelling of 18074733 in words is "eighteen million, seventy-four thousand, seven hundred thirty-three".