19729114 has 8 divisors (see below), whose sum is σ = 29629908. Its totient is φ = 9852480.

The previous prime is 19729111. The next prime is 19729117. The reversal of 19729114 is 41192791.

It is an interprime number because it is at equal distance from previous prime (19729111) and next prime (19729117).

It can be written as a sum of positive squares in 2 ways, for example, as 17783089 + 1946025 = 4217^2 + 1395^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 19729114.

It is not an unprimeable number, because it can be changed into a prime (19729111) 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, 3837 + ... + 7360.

Almost surely, 2^19729114 is an apocalyptic number.

19729114 is a deficient number, since it is larger than the sum of its proper divisors (9900794).

19729114 is a wasteful number, since it uses less digits than its factorization.

19729114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12080.

The product of its digits is 4536, while the sum is 34.

The square root of 19729114 is about 4441.7467284842. The cubic root of 19729114 is about 270.2106906005.

The spelling of 19729114 in words is "nineteen million, seven hundred twenty-nine thousand, one hundred fourteen".