7666740274 has 16 divisors (see below), whose sum is σ = 12817461600. Its totient is φ = 3417989184.

The previous prime is 7666740271. The next prime is 7666740307. The reversal of 7666740274 is 4720476667.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (7666740271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5933364 + ... + 5934655.

It is an arithmetic number, because the mean of its divisors is an integer number (801091350).

Almost surely, 2^7666740274 is an apocalyptic number.

7666740274 is a deficient number, since it is larger than the sum of its proper divisors (5150721326).

7666740274 is a wasteful number, since it uses less digits than its factorization.

7666740274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11868057.

The product of its (nonzero) digits is 2370816, while the sum is 49.

The square root of 7666740274 is about 87559.9239035759. The cubic root of 7666740274 is about 1971.8335436892.

The spelling of 7666740274 in words is "seven billion, six hundred sixty-six million, seven hundred forty thousand, two hundred seventy-four".