18050709 has 16 divisors (see below), whose sum is σ = 24919488. Its totient is φ = 11613312.

The previous prime is 18050677. The next prime is 18050723. The reversal of 18050709 is 90705081.

It is not a de Polignac number, because 18050709 - 2⁵ = 18050677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18050729) 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 15 ways as a sum of consecutive naturals, for example, 14614 + ... + 15800.

It is an arithmetic number, because the mean of its divisors is an integer number (1557468).

Almost surely, 2^18050709 is an apocalyptic number.

It is an amenable number.

18050709 is a deficient number, since it is larger than the sum of its proper divisors (6868779).

18050709 is a wasteful number, since it uses less digits than its factorization.

18050709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364.

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 18050709 is about 4248.6125970721. The cubic root of 18050709 is about 262.3200108549.

The spelling of 18050709 in words is "eighteen million, fifty thousand, seven hundred nine".