1447214771 has 4 divisors (see below), whose sum is σ = 1458262344. Its totient is φ = 1436167200.

The previous prime is 1447214749. The next prime is 1447214779. The reversal of 1447214771 is 1774127441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1774127441 = 41 ⋅43271401.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1447214771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1447214779) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 5523590 + ... + 5523851.

It is an arithmetic number, because the mean of its divisors is an integer number (364565586).

Almost surely, 2^1447214771 is an apocalyptic number.

1447214771 is a deficient number, since it is larger than the sum of its proper divisors (11047573).

1447214771 is a wasteful number, since it uses less digits than its factorization.

1447214771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11047572.

The product of its digits is 43904, while the sum is 38.

The square root of 1447214771 is about 38042.2761017266. The cubic root of 1447214771 is about 1131.1260269056.

The spelling of 1447214771 in words is "one billion, four hundred forty-seven million, two hundred fourteen thousand, seven hundred seventy-one".