768742 has 8 divisors (see below), whose sum is σ = 1241856. Its totient is φ = 354792.

The previous prime is 768727. The next prime is 768751. The reversal of 768742 is 247867.

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

It is a junction number, because it is equal to n+sod(n) for n = 768698 and 768707.

It is a congruent number.

It is an unprimeable number.

768742 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 3 ways as a sum of consecutive naturals, for example, 14758 + ... + 14809.

It is an arithmetic number, because the mean of its divisors is an integer number (155232).

2⁷⁶⁸⁷⁴² is an apocalyptic number.

768742 is a deficient number, since it is larger than the sum of its proper divisors (473114).

768742 is a wasteful number, since it uses less digits than its factorization.

768742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29582.

The product of its digits is 18816, while the sum is 34.

The square root of 768742 is about 876.7793336981. The cubic root of 768742 is about 91.6066222020.

The spelling of 768742 in words is "seven hundred sixty-eight thousand, seven hundred forty-two".