16719047 has 2 divisors, whose sum is σ = 16719048. Its totient is φ = 16719046.

The previous prime is 16719029. The next prime is 16719077. The reversal of 16719047 is 74091761.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16719047 - 2⁶ = 16718983 is a prime.

It is a Chen prime.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 16718998 and 16719016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16719077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8359523 + 8359524.

It is an arithmetic number, because the mean of its divisors is an integer number (8359524).

Almost surely, 2^16719047 is an apocalyptic number.

16719047 is a deficient number, since it is larger than the sum of its proper divisors (1).

16719047 is an equidigital number, since it uses as much as digits as its factorization.

16719047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 16719047 is about 4088.8931265075. The cubic root of 16719047 is about 255.7037945733.

The spelling of 16719047 in words is "sixteen million, seven hundred nineteen thousand, forty-seven".