18080737 has 8 divisors (see below), whose sum is σ = 18938304. Its totient is φ = 17229168.

The previous prime is 18080731. The next prime is 18080743. The reversal of 18080737 is 73708081.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18080731) and next prime (18080743).

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 18080737 - 2¹⁹ = 17556449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18080731) 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 7 ways as a sum of consecutive naturals, for example, 5398 + ... + 8080.

It is an arithmetic number, because the mean of its divisors is an integer number (2367288).

Almost surely, 2^18080737 is an apocalyptic number.

It is an amenable number.

18080737 is a deficient number, since it is larger than the sum of its proper divisors (857567).

18080737 is a wasteful number, since it uses less digits than its factorization.

18080737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2999.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 18080737 is about 4252.1449881207. The cubic root of 18080737 is about 262.4653898436.

The spelling of 18080737 in words is "eighteen million, eighty thousand, seven hundred thirty-seven".