19772114 has 8 divisors (see below), whose sum is σ = 29875068. Its totient is φ = 9813760.

The previous prime is 19772069. The next prime is 19772149. The reversal of 19772114 is 41127791.

It can be written as a sum of positive squares in 2 ways, for example, as 18344089 + 1428025 = 4283^2 + 1195^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35807 + ... + 36354.

Almost surely, 2^19772114 is an apocalyptic number.

19772114 is a deficient number, since it is larger than the sum of its proper divisors (10102954).

19772114 is a wasteful number, since it uses less digits than its factorization.

19772114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72300.

The product of its digits is 3528, while the sum is 32.

The square root of 19772114 is about 4446.5845319751. The cubic root of 19772114 is about 270.4068580272.

The spelling of 19772114 in words is "nineteen million, seven hundred seventy-two thousand, one hundred fourteen".