19714769 has 4 divisors (see below), whose sum is σ = 20173296. Its totient is φ = 19256244.

The previous prime is 19714763. The next prime is 19714777. The reversal of 19714769 is 96741791.

19714769 = 656² + 657² + ... + 698².

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 19714769 - 2¹⁶ = 19649233 is a prime.

It is a super-2 number, since 2×19714769² = 777344233446722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (19714763) 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, 229199 + ... + 229284.

It is an arithmetic number, because the mean of its divisors is an integer number (5043324).

Almost surely, 2^19714769 is an apocalyptic number.

It is an amenable number.

19714769 is a deficient number, since it is larger than the sum of its proper divisors (458527).

19714769 is an equidigital number, since it uses as much as digits as its factorization.

19714769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458526.

The product of its digits is 95256, while the sum is 44.

The square root of 19714769 is about 4440.1316421926. The cubic root of 19714769 is about 270.1451848342.

The spelling of 19714769 in words is "nineteen million, seven hundred fourteen thousand, seven hundred sixty-nine".