19742714 has 4 divisors (see below), whose sum is σ = 29614074. Its totient is φ = 9871356.

The previous prime is 19742699. The next prime is 19742741. The reversal of 19742714 is 41724791.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10336225 + 9406489 = 3215^2 + 3067^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4935677 + ... + 4935680.

Almost surely, 2^19742714 is an apocalyptic number.

19742714 is a deficient number, since it is larger than the sum of its proper divisors (9871360).

19742714 is an equidigital number, since it uses as much as digits as its factorization.

19742714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9871359.

The product of its digits is 14112, while the sum is 35.

The square root of 19742714 is about 4443.2773939965. The cubic root of 19742714 is about 270.2727650438.

The spelling of 19742714 in words is "nineteen million, seven hundred forty-two thousand, seven hundred fourteen".