18774096 has 120 divisors (see below), whose sum is σ = 56148192. Its totient is φ = 5356800.

The previous prime is 18774089. The next prime is 18774097. The reversal of 18774096 is 69047781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18774097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 507390 + ... + 507426.

Almost surely, 2^18774096 is an apocalyptic number.

18774096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18774096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28074096).

18774096 is an abundant number, since it is smaller than the sum of its proper divisors (37374096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18774096 is a wasteful number, since it uses less digits than its factorization.

18774096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 18774096 is about 4332.9084919947. The cubic root of 18774096 is about 265.7783972283.

The spelling of 18774096 in words is "eighteen million, seven hundred seventy-four thousand, ninety-six".