7666474744 has 16 divisors (see below), whose sum is σ = 14407390800. Its totient is φ = 3824503872.

The previous prime is 7666474741. The next prime is 7666474769. The reversal of 7666474744 is 4474746667.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7666474741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1087957 + ... + 1094980.

It is an arithmetic number, because the mean of its divisors is an integer number (900461925).

Almost surely, 2^7666474744 is an apocalyptic number.

It is an amenable number.

7666474744 is a deficient number, since it is larger than the sum of its proper divisors (6740916056).

7666474744 is a wasteful number, since it uses less digits than its factorization.

7666474744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183382 (or 2183378 counting only the distinct ones).

The product of its digits is 18966528, while the sum is 55.

The square root of 7666474744 is about 87558.4076145746. The cubic root of 7666474744 is about 1971.8107792554.

The spelling of 7666474744 in words is "seven billion, six hundred sixty-six million, four hundred seventy-four thousand, seven hundred forty-four".