768040564 has 24 divisors (see below), whose sum is σ = 1423453248. Its totient is φ = 361838400.

The previous prime is 768040549. The next prime is 768040571. The reversal of 768040564 is 465040867.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56137 + ... + 68464.

It is an arithmetic number, because the mean of its divisors is an integer number (59310552).

Almost surely, 2^768040564 is an apocalyptic number.

It is an amenable number.

768040564 is a deficient number, since it is larger than the sum of its proper divisors (655412684).

768040564 is a wasteful number, since it uses less digits than its factorization.

768040564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124695 (or 124693 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 768040564 is about 27713.5447750734. The cubic root of 768040564 is about 915.7875167409.

The spelling of 768040564 in words is "seven hundred sixty-eight million, forty thousand, five hundred sixty-four".