19714680 has 96 divisors (see below), whose sum is σ = 66886560. Its totient is φ = 5026560.

The previous prime is 19714663. The next prime is 19714699. The reversal of 19714680 is 8641791.

19714680 is a `hidden beast` number, since 197 + 1 + 468 + 0 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7090 + ... + 9470.

It is an arithmetic number, because the mean of its divisors is an integer number (696735).

Almost surely, 2^19714680 is an apocalyptic number.

19714680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19714680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33443280).

19714680 is an abundant number, since it is smaller than the sum of its proper divisors (47171880).

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

19714680 is a wasteful number, since it uses less digits than its factorization.

19714680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421 (or 2414 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 19714680 is about 4440.1216199559. The cubic root of 19714680 is about 270.1447783207.

The spelling of 19714680 in words is "nineteen million, seven hundred fourteen thousand, six hundred eighty".