19706768 has 20 divisors (see below), whose sum is σ = 39842688. Its totient is φ = 9424800.

The previous prime is 19706741. The next prime is 19706783. The reversal of 19706768 is 86760791.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 26408 + ... + 27143.

Almost surely, 2^19706768 is an apocalyptic number.

It is an amenable number.

19706768 is an abundant number, since it is smaller than the sum of its proper divisors (20135920).

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

19706768 is a wasteful number, since it uses less digits than its factorization.

19706768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53582 (or 53576 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 19706768 is about 4439.2305639604. The cubic root of 19706768 is about 270.1086348399.

The spelling of 19706768 in words is "nineteen million, seven hundred six thousand, seven hundred sixty-eight".