699656704 has 20 divisors (see below), whose sum is σ = 1397947914. Its totient is φ = 349828096.

The previous prime is 699656693. The next prime is 699656719. The reversal of 699656704 is 407656996.

It can be written as a sum of positive squares in only one way, i.e., 699496704 + 160000 = 26448^2 + 400^2 .

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 as a sum of consecutive naturals, namely, 682747 + ... + 683770.

Almost surely, 2^699656704 is an apocalyptic number.

699656704 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

699656704 is a deficient number, since it is larger than the sum of its proper divisors (698291210).

699656704 is an equidigital number, since it uses as much as digits as its factorization.

699656704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366535 (or 1366519 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 52.

The square root of 699656704 is about 26451.0246304373. The cubic root of 699656704 is about 887.7588285355.

The spelling of 699656704 in words is "six hundred ninety-nine million, six hundred fifty-six thousand, seven hundred four".