764668 has 12 divisors (see below), whose sum is σ = 1348200.
Its totient is φ = 379472.
The previous prime is 764657. The next prime is 764683. The reversal of 764668 is 866467.
764668 is nontrivially palindromic in base 9.
It is a congruent number.
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 3 ways as a sum of consecutive naturals, for example, 46 + ... + 1237.
It is an arithmetic number, because the mean of its divisors is an integer number (112350).
2764668 is an apocalyptic number.
It is an amenable number.
764668 is a deficient number, since it is larger than the sum of its proper divisors (583532).
764668 is a wasteful number, since it uses less digits than its factorization.
764668 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1436 (or 1434 counting only the distinct ones).
The product of its digits is 48384, while the sum is 37.
The square root of 764668 is about 874.4529718630.
The cubic root of 764668 is about 91.4445103350.
Note that the first 3 decimals are identical.
It can be divided in two parts, 7 and 64668, that multiplied together give a triangular number (452676 = T951).
The spelling of 764668 in words is "seven hundred sixty-four thousand, six hundred sixty-eight".