768744 has 32 divisors (see below), whose sum is σ = 2136000. Its totient is φ = 256176.

The previous prime is 768727. The next prime is 768751. The reversal of 768744 is 447867.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 768699 and 768708.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 768744.

It is an unprimeable number.

768744 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1564 + ... + 1995.

It is an arithmetic number, because the mean of its divisors is an integer number (66750).

2⁷⁶⁸⁷⁴⁴ is an apocalyptic number.

It is an amenable number.

768744 is an abundant number, since it is smaller than the sum of its proper divisors (1367256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

768744 is a wasteful number, since it uses less digits than its factorization.

768744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3574 (or 3564 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 768744 is about 876.7804742351. The cubic root of 768744 is about 91.6067016448.

The spelling of 768744 in words is "seven hundred sixty-eight thousand, seven hundred forty-four".