1772068768 has 12 divisors (see below), whose sum is σ = 3488760450. Its totient is φ = 886034368.

The previous prime is 1772068759. The next prime is 1772068769. The reversal of 1772068768 is 8678602771.

It can be written as a sum of positive squares in only one way, i.e., 1761648784 + 10419984 = 41972^2 + 3228^2 .

It is not an unprimeable number, because it can be changed into a prime (1772068769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27688543 + ... + 27688606.

Almost surely, 2^1772068768 is an apocalyptic number.

It is an amenable number.

1772068768 is a deficient number, since it is larger than the sum of its proper divisors (1716691682).

1772068768 is an equidigital number, since it uses as much as digits as its factorization.

1772068768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55377159 (or 55377151 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 52.

The square root of 1772068768 is about 42095.9471683439. The cubic root of 1772068768 is about 1210.1155930823.

The spelling of 1772068768 in words is "one billion, seven hundred seventy-two million, sixty-eight thousand, seven hundred sixty-eight".