7668681002 has 32 divisors (see below), whose sum is σ = 11790651600. Its totient is φ = 3739691520.

The previous prime is 7668680993. The next prime is 7668681047. The reversal of 7668681002 is 2001868667.

It can be written as a sum of positive squares in 8 ways, for example, as 248409121 + 7420271881 = 15761^2 + 86141^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9920288 + ... + 9921060.

Almost surely, 2^7668681002 is an apocalyptic number.

7668681002 is a deficient number, since it is larger than the sum of its proper divisors (4121970598).

7668681002 is a wasteful number, since it uses less digits than its factorization.

7668681002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 7668681002 is about 87571.0054869761. The cubic root of 7668681002 is about 1971.9999103404. Note that the first 4 decimals are identical.

The spelling of 7668681002 in words is "seven billion, six hundred sixty-eight million, six hundred eighty-one thousand, two".