1447748316 has 216 divisors, whose sum is σ = 4470364080. Its totient is φ = 408457728.

The previous prime is 1447748297. The next prime is 1447748369. The reversal of 1447748316 is 6138477441.

It is a super-3 number, since 3×1447748316³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5381830 + ... + 5382098.

It is an arithmetic number, because the mean of its divisors is an integer number (20696130).

Almost surely, 2^1447748316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1447748316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2235182040).

1447748316 is an abundant number, since it is smaller than the sum of its proper divisors (3022615764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1447748316 is a wasteful number, since it uses less digits than its factorization.

1447748316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415 (or 394 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 1447748316 is about 38049.2879828256. The cubic root of 1447748316 is about 1131.2650139904.

The spelling of 1447748316 in words is "one billion, four hundred forty-seven million, seven hundred forty-eight thousand, three hundred sixteen".