1447761472 has 56 divisors (see below), whose sum is σ = 2932526520. Its totient is φ = 709017600.

The previous prime is 1447761451. The next prime is 1447761479. The reversal of 1447761472 is 2741677441.

It can be written as a sum of positive squares in 4 ways, for example, as 807469056 + 640292416 = 28416^2 + 25304^2 .

It is not an unprimeable number, because it can be changed into a prime (1447761479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625854 + ... + 628162.

It is an arithmetic number, because the mean of its divisors is an integer number (52366545).

Almost surely, 2^1447761472 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 1447761472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1466263260).

1447761472 is an abundant number, since it is smaller than the sum of its proper divisors (1484765048).

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

1447761472 is a wasteful number, since it uses less digits than its factorization.

1447761472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2519 (or 2509 counting only the distinct ones).

The product of its digits is 263424, while the sum is 43.

The square root of 1447761472 is about 38049.4608634603. The cubic root of 1447761472 is about 1131.2684406627.

The spelling of 1447761472 in words is "one billion, four hundred forty-seven million, seven hundred sixty-one thousand, four hundred seventy-two".