19000068 has 12 divisors (see below), whose sum is σ = 44333520. Its totient is φ = 6333352.

The previous prime is 19000043. The next prime is 19000073. The reversal of 19000068 is 86000091.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×19000068² = 722005168009248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 791658 + ... + 791681.

It is an arithmetic number, because the mean of its divisors is an integer number (3694460).

Almost surely, 2^19000068 is an apocalyptic number.

It is an amenable number.

19000068 is an abundant number, since it is smaller than the sum of its proper divisors (25333452).

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

19000068 is a wasteful number, since it uses less digits than its factorization.

19000068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583346 (or 1583344 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 19000068 is about 4358.9067436686. The cubic root of 19000068 is about 266.8404832075.

The spelling of 19000068 in words is "nineteen million, sixty-eight", and thus it is an aban number and an uban number.