1327673646 has 32 divisors (see below), whose sum is σ = 3177340320. Its totient is φ = 408514752.

The previous prime is 1327673623. The next prime is 1327673647. The reversal of 1327673646 is 6463767231.

1327673646 is a `hidden beast` number, since 13 + 276 + 7 + 364 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1327673647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 944935 + ... + 946338.

It is an arithmetic number, because the mean of its divisors is an integer number (99291885).

Almost surely, 2^1327673646 is an apocalyptic number.

1327673646 is an abundant number, since it is smaller than the sum of its proper divisors (1849666674).

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

1327673646 is a wasteful number, since it uses less digits than its factorization.

1327673646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891297 (or 1891291 counting only the distinct ones).

The product of its digits is 762048, while the sum is 45.

The square root of 1327673646 is about 36437.2562907802. The cubic root of 1327673646 is about 1099.0828846114.

It can be divided in two parts, 1327673 and 646, that multiplied together give a palindrome (857676758).

The spelling of 1327673646 in words is "one billion, three hundred twenty-seven million, six hundred seventy-three thousand, six hundred forty-six".