1327801752 has 96 divisors (see below), whose sum is σ = 3658009680. Its totient is φ = 435052800.

The previous prime is 1327801751. The next prime is 1327801759. The reversal of 1327801752 is 2571087231.

It is a super-2 number, since 2×1327801752² = 3526114985228539008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1327801751) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1141123 + ... + 1142285.

Almost surely, 2^1327801752 is an apocalyptic number.

1327801752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1327801752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1829004840).

1327801752 is an abundant number, since it is smaller than the sum of its proper divisors (2330207928).

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

1327801752 is a wasteful number, since it uses less digits than its factorization.

1327801752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433 (or 1426 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 1327801752 is about 36439.0141469277. The cubic root of 1327801752 is about 1099.1182333042.

Adding to 1327801752 its reverse (2571087231), we get a palindrome (3898888983).

The spelling of 1327801752 in words is "one billion, three hundred twenty-seven million, eight hundred one thousand, seven hundred fifty-two".