768774 has 16 divisors (see below), whose sum is σ = 1628208. Its totient is φ = 241152.

The previous prime is 768773. The next prime is 768787. The reversal of 768774 is 477867.

768774 = 71² + 72² + ... + 138².

It is a happy number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 768774.

It is not an unprimeable number, because it can be changed into a prime (768773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3667 + ... + 3870.

It is an arithmetic number, because the mean of its divisors is an integer number (101763).

2⁷⁶⁸⁷⁷⁴ is an apocalyptic number.

768774 is an abundant number, since it is smaller than the sum of its proper divisors (859434).

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

768774 is a wasteful number, since it uses less digits than its factorization.

768774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7559.

The product of its digits is 65856, while the sum is 39.

The square root of 768774 is about 876.7975821135. The cubic root of 768774 is about 91.6078932705.

The spelling of 768774 in words is "seven hundred sixty-eight thousand, seven hundred seventy-four".