704636392066 has 16 divisors (see below), whose sum is σ = 1066057252344. Its totient is φ = 349296436224.

The previous prime is 704636392063. The next prime is 704636392099. The reversal of 704636392066 is 660293636407.

It can be written as a sum of positive squares in 4 ways, for example, as 683563514841 + 21072877225 = 826779^2 + 145165^2 .

It is not an unprimeable number, because it can be changed into a prime (704636392063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3002061 + ... + 3228256.

Almost surely, 2^704636392066 is an apocalyptic number.

704636392066 is a deficient number, since it is larger than the sum of its proper divisors (361420860278).

704636392066 is a wasteful number, since it uses less digits than its factorization.

704636392066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6230805.

The product of its (nonzero) digits is 5878656, while the sum is 52.

The spelling of 704636392066 in words is "seven hundred four billion, six hundred thirty-six million, three hundred ninety-two thousand, sixty-six".