7665748740 has 288 divisors, whose sum is σ = 27189993600. Its totient is φ = 1787235840.

The previous prime is 7665748733. The next prime is 7665748751. The reversal of 7665748740 is 478475667.

7665748740 is a `hidden beast` number, since 7 + 66 + 574 + 8 + 7 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1731730 + ... + 1736150.

It is an arithmetic number, because the mean of its divisors is an integer number (94409700).

Almost surely, 2^7665748740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7665748740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13594996800).

7665748740 is an abundant number, since it is smaller than the sum of its proper divisors (19524244860).

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

7665748740 is a wasteful number, since it uses less digits than its factorization.

7665748740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4484 (or 4463 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 54.

The square root of 7665748740 is about 87554.2616895374. The cubic root of 7665748740 is about 1971.7485347535.

The spelling of 7665748740 in words is "seven billion, six hundred sixty-five million, seven hundred forty-eight thousand, seven hundred forty".