18074907 has 30 divisors (see below), whose sum is σ = 27920508. Its totient is φ = 11652336.

The previous prime is 18074899. The next prime is 18074923. The reversal of 18074907 is 70947081.

It is not a de Polignac number, because 18074907 - 2³ = 18074899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18076907) 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 29 ways as a sum of consecutive naturals, for example, 110808 + ... + 110970.

Almost surely, 2^18074907 is an apocalyptic number.

18074907 is a deficient number, since it is larger than the sum of its proper divisors (9845601).

18074907 is an equidigital number, since it uses as much as digits as its factorization.

18074907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 18074907 is about 4251.4593964896. The cubic root of 18074907 is about 262.4371768027.

It can be divided in two parts, 18074 and 907, that added together give a palindrome (18981).

The spelling of 18074907 in words is "eighteen million, seventy-four thousand, nine hundred seven".