19716002 has 8 divisors (see below), whose sum is σ = 29593836. Its totient is φ = 9851392.

The previous prime is 19716001. The next prime is 19716007. The reversal of 19716002 is 20061791.

It can be written as a sum of positive squares in 2 ways, for example, as 19456921 + 259081 = 4411^2 + 509^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (19716001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2378 + ... + 6714.

Almost surely, 2^19716002 is an apocalyptic number.

19716002 is a deficient number, since it is larger than the sum of its proper divisors (9877834).

19716002 is a wasteful number, since it uses less digits than its factorization.

19716002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6612.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 19716002 is about 4440.2704872564. The cubic root of 19716002 is about 270.1508165186.

Adding to 19716002 its reverse (20061791), we get a palindrome (39777793).

The spelling of 19716002 in words is "nineteen million, seven hundred sixteen thousand, two".