18074605 has 16 divisors (see below), whose sum is σ = 23212800. Its totient is φ = 13469760.

The previous prime is 18074603. The next prime is 18074629. The reversal of 18074605 is 50647081.

It is not a de Polignac number, because 18074605 - 2¹ = 18074603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18074603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4236 + ... + 7354.

It is an arithmetic number, because the mean of its divisors is an integer number (1450800).

Almost surely, 2^18074605 is an apocalyptic number.

It is an amenable number.

18074605 is a deficient number, since it is larger than the sum of its proper divisors (5138195).

18074605 is a wasteful number, since it uses less digits than its factorization.

18074605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3204.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 18074605 is about 4251.4238791257. The cubic root of 18074605 is about 262.4357151729.

The spelling of 18074605 in words is "eighteen million, seventy-four thousand, six hundred five".