606669764 has 6 divisors (see below), whose sum is σ = 1061672094. Its totient is φ = 303334880.

The previous prime is 606669737. The next prime is 606669779. The reversal of 606669764 is 467966606.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 424689664 + 181980100 = 20608^2 + 13490^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 75833717 + ... + 75833724.

It is an arithmetic number, because the mean of its divisors is an integer number (176945349).

Almost surely, 2^606669764 is an apocalyptic number.

It is an amenable number.

606669764 is a deficient number, since it is larger than the sum of its proper divisors (455002330).

606669764 is a wasteful number, since it uses less digits than its factorization.

606669764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151667445 (or 151667443 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 50.

The square root of 606669764 is about 24630.6671448420. The cubic root of 606669764 is about 846.5464318348.

The spelling of 606669764 in words is "six hundred six million, six hundred sixty-nine thousand, seven hundred sixty-four".