18054737 has 4 divisors (see below), whose sum is σ = 18063360. Its totient is φ = 18046116.

The previous prime is 18054727. The next prime is 18054763. The reversal of 18054737 is 73745081.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 73745081 = 2393 ⋅30817.

It is a cyclic number.

It is not a de Polignac number, because 18054737 - 2¹⁰ = 18053713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18054697 and 18054706.

It is not an unprimeable number, because it can be changed into a prime (18054727) 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, 1064 + ... + 6102.

It is an arithmetic number, because the mean of its divisors is an integer number (4515840).

Almost surely, 2^18054737 is an apocalyptic number.

It is an amenable number.

18054737 is a deficient number, since it is larger than the sum of its proper divisors (8623).

18054737 is an equidigital number, since it uses as much as digits as its factorization.

18054737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8622.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 18054737 is about 4249.0866077311. The cubic root of 18054737 is about 262.3395215644.

The spelling of 18054737 in words is "eighteen million, fifty-four thousand, seven hundred thirty-seven".