1327748401 has 4 divisors (see below), whose sum is σ = 1517426752. Its totient is φ = 1138070052.

The previous prime is 1327748377. The next prime is 1327748407. The reversal of 1327748401 is 1048477231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-1327748401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1327748407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94839165 + ... + 94839178.

It is an arithmetic number, because the mean of its divisors is an integer number (379356688).

Almost surely, 2^1327748401 is an apocalyptic number.

It is an amenable number.

1327748401 is a deficient number, since it is larger than the sum of its proper divisors (189678351).

1327748401 is an equidigital number, since it uses as much as digits as its factorization.

1327748401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189678350.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 1327748401 is about 36438.2820808007. The cubic root of 1327748401 is about 1099.1035122707.

The spelling of 1327748401 in words is "one billion, three hundred twenty-seven million, seven hundred forty-eight thousand, four hundred one".