1327607644 has 18 divisors (see below), whose sum is σ = 2553725552. Its totient is φ = 603457800.

The previous prime is 1327607641. The next prime is 1327607657. The reversal of 1327607644 is 4467067231.

It is a junction number, because it is equal to n+sod(n) for n = 1327607597 and 1327607606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1327607641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1371012 + ... + 1371979.

Almost surely, 2^1327607644 is an apocalyptic number.

It is an amenable number.

1327607644 is a deficient number, since it is larger than the sum of its proper divisors (1226117908).

1327607644 is a wasteful number, since it uses less digits than its factorization.

1327607644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2743017 (or 2743004 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 1327607644 is about 36436.3505856446. The cubic root of 1327607644 is about 1099.0646715837.

The spelling of 1327607644 in words is "one billion, three hundred twenty-seven million, six hundred seven thousand, six hundred forty-four".