1068668764 has 6 divisors (see below), whose sum is σ = 1870170344. Its totient is φ = 534334380.

The previous prime is 1068668761. The next prime is 1068668771. The reversal of 1068668764 is 4678668601.

It is a happy number.

It is a super-2 number, since 2×1068668764² = 2284105854298575392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068668761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133583592 + ... + 133583599.

Almost surely, 2^1068668764 is an apocalyptic number.

It is an amenable number.

1068668764 is a deficient number, since it is larger than the sum of its proper divisors (801501580).

1068668764 is a wasteful number, since it uses less digits than its factorization.

1068668764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267167195 (or 267167193 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 52.

The square root of 1068668764 is about 32690.4995985072. The cubic root of 1068668764 is about 1022.3847711805.

The spelling of 1068668764 in words is "one billion, sixty-eight million, six hundred sixty-eight thousand, seven hundred sixty-four".