18059907 has 8 divisors (see below), whose sum is σ = 24099520. Its totient is φ = 12030120.

The previous prime is 18059903. The next prime is 18059929. The reversal of 18059907 is 70995081.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18059907 - 2² = 18059903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18059903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5844 + ... + 8382.

It is an arithmetic number, because the mean of its divisors is an integer number (3012440).

Almost surely, 2^18059907 is an apocalyptic number.

18059907 is a deficient number, since it is larger than the sum of its proper divisors (6039613).

18059907 is a wasteful number, since it uses less digits than its factorization.

18059907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4913.

The product of its (nonzero) digits is 22680, while the sum is 39.

The square root of 18059907 is about 4249.6949302273. The cubic root of 18059907 is about 262.3645596082.

The spelling of 18059907 in words is "eighteen million, fifty-nine thousand, nine hundred seven".