7466640766 has 16 divisors (see below), whose sum is σ = 12185846064. Its totient is φ = 3410613504.

The previous prime is 7466640761. The next prime is 7466640799. The reversal of 7466640766 is 6670466647.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7466640761) 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, 1477780 + ... + 1482823.

It is an arithmetic number, because the mean of its divisors is an integer number (761615379).

Almost surely, 2^7466640766 is an apocalyptic number.

7466640766 is a deficient number, since it is larger than the sum of its proper divisors (4719205298).

7466640766 is a wasteful number, since it uses less digits than its factorization.

7466640766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2960715.

The product of its (nonzero) digits is 6096384, while the sum is 52.

The square root of 7466640766 is about 86409.7261076553. The cubic root of 7466640766 is about 1954.5273518520.

The spelling of 7466640766 in words is "seven billion, four hundred sixty-six million, six hundred forty thousand, seven hundred sixty-six".