1347438768 has 160 divisors (see below), whose sum is σ = 4077614016. Its totient is φ = 379551744.

The previous prime is 1347438749. The next prime is 1347438779. The reversal of 1347438768 is 8678347431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 1347438768.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 390780 + ... + 394212.

Almost surely, 2^1347438768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1347438768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2038807008).

1347438768 is an abundant number, since it is smaller than the sum of its proper divisors (2730175248).

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

1347438768 is a wasteful number, since it uses less digits than its factorization.

1347438768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3511 (or 3505 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 51.

The square root of 1347438768 is about 36707.4756418907. The cubic root of 1347438768 is about 1104.5100693847.

The spelling of 1347438768 in words is "one billion, three hundred forty-seven million, four hundred thirty-eight thousand, seven hundred sixty-eight".