1478647312 has 20 divisors (see below), whose sum is σ = 2866005180. Its totient is φ = 739033088.

The previous prime is 1478647309. The next prime is 1478647327. The reversal of 1478647312 is 2137468741.

It can be written as a sum of positive squares in 2 ways, for example, as 730296576 + 748350736 = 27024^2 + 27356^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27264 + ... + 60832.

It is an arithmetic number, because the mean of its divisors is an integer number (143300259).

Almost surely, 2^1478647312 is an apocalyptic number.

It is an amenable number.

1478647312 is a deficient number, since it is larger than the sum of its proper divisors (1387357868).

1478647312 is a wasteful number, since it uses less digits than its factorization.

1478647312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36330 (or 36324 counting only the distinct ones).

The product of its digits is 225792, while the sum is 43.

The square root of 1478647312 is about 38453.1833792730. The cubic root of 1478647312 is about 1139.2565461414.

The spelling of 1478647312 in words is "one billion, four hundred seventy-eight million, six hundred forty-seven thousand, three hundred twelve".