1330688272 has 10 divisors (see below), whose sum is σ = 2578208558. Its totient is φ = 665344128.

The previous prime is 1330688267. The next prime is 1330688291. The reversal of 1330688272 is 2728860331.

It can be written as a sum of positive squares in only one way, i.e., 838913296 + 491774976 = 28964^2 + 22176^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41583993 + ... + 41584024.

Almost surely, 2^1330688272 is an apocalyptic number.

It is an amenable number.

1330688272 is a deficient number, since it is larger than the sum of its proper divisors (1247520286).

1330688272 is an equidigital number, since it uses as much as digits as its factorization.

1330688272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83168025 (or 83168019 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 1330688272 is about 36478.6001924416. The cubic root of 1330688272 is about 1099.9141178129.

The spelling of 1330688272 in words is "one billion, three hundred thirty million, six hundred eighty-eight thousand, two hundred seventy-two".