1327772945 has 8 divisors (see below), whose sum is σ = 1597921344. Its totient is φ = 1059155824.

The previous prime is 1327772903. The next prime is 1327772959. The reversal of 1327772945 is 5492777231.

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

It is a cyclic number.

It is not a de Polignac number, because 1327772945 - 2⁶ = 1327772881 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1327772945.

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 7 ways as a sum of consecutive naturals, for example, 380909 + ... + 384378.

It is an arithmetic number, because the mean of its divisors is an integer number (199740168).

Almost surely, 2^1327772945 is an apocalyptic number.

It is an amenable number.

1327772945 is a deficient number, since it is larger than the sum of its proper divisors (270148399).

1327772945 is an equidigital number, since it uses as much as digits as its factorization.

1327772945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765639.

The product of its digits is 740880, while the sum is 47.

The square root of 1327772945 is about 36438.6188678989. The cubic root of 1327772945 is about 1099.1102846960.

The spelling of 1327772945 in words is "one billion, three hundred twenty-seven million, seven hundred seventy-two thousand, nine hundred forty-five".