18668034 has 48 divisors (see below), whose sum is σ = 50431680. Its totient is φ = 4848480.

The previous prime is 18668033. The next prime is 18668047. The reversal of 18668034 is 43086681.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 18668034.

It is not an unprimeable number, because it can be changed into a prime (18668033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5349 + ... + 8120.

It is an arithmetic number, because the mean of its divisors is an integer number (1050660).

Almost surely, 2^18668034 is an apocalyptic number.

18668034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18668034 is an abundant number, since it is smaller than the sum of its proper divisors (31763646).

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

18668034 is a wasteful number, since it uses less digits than its factorization.

18668034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13495 (or 13492 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 18668034 is about 4320.6520341263. The cubic root of 18668034 is about 265.2769573892.

The spelling of 18668034 in words is "eighteen million, six hundred sixty-eight thousand, thirty-four".