7685317672 has 16 divisors (see below), whose sum is σ = 14411286900. Its totient is φ = 3842307840.

The previous prime is 7685317669. The next prime is 7685317711. The reversal of 7685317672 is 2767135867.

It can be written as a sum of positive squares in 2 ways, for example, as 7669205476 + 16112196 = 87574^2 + 4014^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65104 + ... + 140032.

Almost surely, 2^7685317672 is an apocalyptic number.

It is an amenable number.

7685317672 is a deficient number, since it is larger than the sum of its proper divisors (6725969228).

7685317672 is a wasteful number, since it uses less digits than its factorization.

7685317672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87756 (or 87752 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 52.

The square root of 7685317672 is about 87665.9436269296. The cubic root of 7685317672 is about 1973.4249192285.

The spelling of 7685317672 in words is "seven billion, six hundred eighty-five million, three hundred seventeen thousand, six hundred seventy-two".