768249746 has 8 divisors (see below), whose sum is σ = 1257135984. Its totient is φ = 349204420.

The previous prime is 768249731. The next prime is 768249791. The reversal of 768249746 is 647942867.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17460200 + ... + 17460243.

It is an arithmetic number, because the mean of its divisors is an integer number (157141998).

Almost surely, 2^768249746 is an apocalyptic number.

768249746 is a deficient number, since it is larger than the sum of its proper divisors (488886238).

768249746 is a wasteful number, since it uses less digits than its factorization.

768249746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34920456.

The product of its digits is 4064256, while the sum is 53.

The square root of 768249746 is about 27717.3185210980. The cubic root of 768249746 is about 915.8706498828.

The spelling of 768249746 in words is "seven hundred sixty-eight million, two hundred forty-nine thousand, seven hundred forty-six".