767968642 has 32 divisors (see below), whose sum is σ = 1438940160. Its totient is φ = 299773440.

The previous prime is 767968637. The next prime is 767968709. The reversal of 767968642 is 246869767.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44667 + ... + 59422.

It is an arithmetic number, because the mean of its divisors is an integer number (44966880).

Almost surely, 2^767968642 is an apocalyptic number.

767968642 is a deficient number, since it is larger than the sum of its proper divisors (670971518).

767968642 is a wasteful number, since it uses less digits than its factorization.

767968642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104146.

The product of its digits is 6096384, while the sum is 55.

The square root of 767968642 is about 27712.2471481473. The cubic root of 767968642 is about 915.7589300018.

The spelling of 767968642 in words is "seven hundred sixty-seven million, nine hundred sixty-eight thousand, six hundred forty-two".