19742896 has 20 divisors (see below), whose sum is σ = 38336584. Its totient is φ = 9849600.

The previous prime is 19742893. The next prime is 19742897. The reversal of 19742896 is 69824791.

It is not an unprimeable number, because it can be changed into a prime (19742893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8056 + ... + 10216.

Almost surely, 2^19742896 is an apocalyptic number.

19742896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19742896 is a deficient number, since it is larger than the sum of its proper divisors (18593688).

19742896 is a wasteful number, since it uses less digits than its factorization.

19742896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2740 (or 2734 counting only the distinct ones).

The product of its digits is 217728, while the sum is 46.

The square root of 19742896 is about 4443.2978743271. The cubic root of 19742896 is about 270.2735955526.

The spelling of 19742896 in words is "nineteen million, seven hundred forty-two thousand, eight hundred ninety-six".