7649918676 has 18 divisors (see below), whose sum is σ = 19337294522. Its totient is φ = 2549972880.

The previous prime is 7649918651. The next prime is 7649918707. The reversal of 7649918676 is 6768199467.

7649918676 is a `hidden beast` number, since 76 + 499 + 1 + 8 + 6 + 76 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4868411076 + 2781507600 = 69774^2 + 52740^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 106248835 + ... + 106248906.

Almost surely, 2^7649918676 is an apocalyptic number.

It is an amenable number.

7649918676 is an abundant number, since it is smaller than the sum of its proper divisors (11687375846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7649918676 is a wasteful number, since it uses less digits than its factorization.

7649918676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212497751 (or 212497746 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 63.

The square root of 7649918676 is about 87463.8135230794. The cubic root of 7649918676 is about 1970.3903540756.

The spelling of 7649918676 in words is "seven billion, six hundred forty-nine million, nine hundred eighteen thousand, six hundred seventy-six".