18074799 has 8 divisors (see below), whose sum is σ = 26777520. Its totient is φ = 12049848.

The previous prime is 18074789. The next prime is 18074831. The reversal of 18074799 is 99747081.

It is not a de Polignac number, because 18074799 - 2⁴ = 18074783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18074729) 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, 334692 + ... + 334745.

It is an arithmetic number, because the mean of its divisors is an integer number (3347190).

Almost surely, 2^18074799 is an apocalyptic number.

18074799 is a deficient number, since it is larger than the sum of its proper divisors (8702721).

18074799 is an equidigital number, since it uses as much as digits as its factorization.

18074799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669446 (or 669440 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 18074799 is about 4251.4466949498. The cubic root of 18074799 is about 262.4366541025.

The spelling of 18074799 in words is "eighteen million, seventy-four thousand, seven hundred ninety-nine".