18674568 has 192 divisors, whose sum is σ = 62337600. Its totient is φ = 4976640.

The previous prime is 18674563. The next prime is 18674627. The reversal of 18674568 is 86547681.

It is a happy number.

18674568 is a `hidden beast` number, since 1 + 86 + 7 + 4 + 568 = 666.

It is not an unprimeable number, because it can be changed into a prime (18674563) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 255780 + ... + 255852.

It is an arithmetic number, because the mean of its divisors is an integer number (324675).

Almost surely, 2^18674568 is an apocalyptic number.

18674568 is a gapful number since it is divisible by the number (18) 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 18674568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31168800).

18674568 is an abundant number, since it is smaller than the sum of its proper divisors (43663032).

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

18674568 is a wasteful number, since it uses less digits than its factorization.

18674568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 125 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 18674568 is about 4321.4081038476. The cubic root of 18674568 is about 265.3079036483.

The spelling of 18674568 in words is "eighteen million, six hundred seventy-four thousand, five hundred sixty-eight".