7650643760 has 40 divisors (see below), whose sum is σ = 18361550976. Its totient is φ = 2961538560.

The previous prime is 7650643753. The next prime is 7650643769. The reversal of 7650643760 is 673460567.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (7650643769) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1539989 + ... + 1544948.

Almost surely, 2^7650643760 is an apocalyptic number.

It is an amenable number.

7650643760 is an abundant number, since it is smaller than the sum of its proper divisors (10710907216).

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

7650643760 is a wasteful number, since it uses less digits than its factorization.

7650643760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3084981 (or 3084975 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 44.

The square root of 7650643760 is about 87467.9584762329. The cubic root of 7650643760 is about 1970.4526054295.

The spelling of 7650643760 in words is "seven billion, six hundred fifty million, six hundred forty-three thousand, seven hundred sixty".