1330792768 has 14 divisors (see below), whose sum is σ = 2640792026. Its totient is φ = 665396352.

The previous prime is 1330792763. The next prime is 1330792777. The reversal of 1330792768 is 8672970331.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 936849664 + 393943104 = 30608^2 + 19848^2 .

It is a super-2 number, since 2×1330792768² = 3542018782722203648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330792763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10396755 + ... + 10396882.

Almost surely, 2^1330792768 is an apocalyptic number.

It is an amenable number.

1330792768 is a deficient number, since it is larger than the sum of its proper divisors (1309999258).

1330792768 is an equidigital number, since it uses as much as digits as its factorization.

1330792768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20793649 (or 20793639 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 1330792768 is about 36480.0324561259. The cubic root of 1330792768 is about 1099.9429083317.

The spelling of 1330792768 in words is "one billion, three hundred thirty million, seven hundred ninety-two thousand, seven hundred sixty-eight".