1327470840 has 192 divisors, whose sum is σ = 4716092160. Its totient is φ = 322375680.

The previous prime is 1327470839. The next prime is 1327470847. The reversal of 1327470840 is 480747231.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1327470795 and 1327470804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1327470847) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 186222 + ... + 193218.

It is an arithmetic number, because the mean of its divisors is an integer number (24562980).

Almost surely, 2^1327470840 is an apocalyptic number.

1327470840 is a gapful number since it is divisible by the number (10) 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 1327470840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2358046080).

1327470840 is an abundant number, since it is smaller than the sum of its proper divisors (3388621320).

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

1327470840 is a wasteful number, since it uses less digits than its factorization.

1327470840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7062 (or 7055 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 1327470840 is about 36434.4732362086. The cubic root of 1327470840 is about 1099.0269190622.

The spelling of 1327470840 in words is "one billion, three hundred twenty-seven million, four hundred seventy thousand, eight hundred forty".