7668725536 has 12 divisors (see below), whose sum is σ = 15097803462. Its totient is φ = 3834362752.

The previous prime is 7668725513. The next prime is 7668725569. The reversal of 7668725536 is 6355278667.

It can be written as a sum of positive squares in only one way, i.e., 7045923600 + 622801936 = 83940^2 + 24956^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119823805 + ... + 119823868.

Almost surely, 2^7668725536 is an apocalyptic number.

It is an amenable number.

7668725536 is a deficient number, since it is larger than the sum of its proper divisors (7429077926).

7668725536 is a wasteful number, since it uses less digits than its factorization.

7668725536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239647683 (or 239647675 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 55.

The square root of 7668725536 is about 87571.2597602661. The cubic root of 7668725536 is about 1972.0037276364.

The spelling of 7668725536 in words is "seven billion, six hundred sixty-eight million, seven hundred twenty-five thousand, five hundred thirty-six".