768194473 has 2 divisors, whose sum is σ = 768194474. Its totient is φ = 768194472.

The previous prime is 768194447. The next prime is 768194501. The reversal of 768194473 is 374491867.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 440874009 + 327320464 = 20997^2 + 18092^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-768194473 is a prime.

It is not a weakly prime, because it can be changed into another prime (768194423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384097236 + 384097237.

It is an arithmetic number, because the mean of its divisors is an integer number (384097237).

Almost surely, 2^768194473 is an apocalyptic number.

It is an amenable number.

768194473 is a deficient number, since it is larger than the sum of its proper divisors (1).

768194473 is an equidigital number, since it uses as much as digits as its factorization.

768194473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 49.

The square root of 768194473 is about 27716.3214189762. The cubic root of 768194473 is about 915.8486847459.

The spelling of 768194473 in words is "seven hundred sixty-eight million, one hundred ninety-four thousand, four hundred seventy-three".