7645756320 has 96 divisors (see below), whose sum is σ = 26760162240. Its totient is φ = 2038867200.

The previous prime is 7645756303. The next prime is 7645756357. The reversal of 7645756320 is 236575467.

7645756320 is a `hidden beast` number, since 7 + 6 + 4 + 5 + 7 + 5 + 632 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 880606 + ... + 889245.

It is an arithmetic number, because the mean of its divisors is an integer number (278751690).

Almost surely, 2^7645756320 is an apocalyptic number.

It is an amenable number.

7645756320 is an abundant number, since it is smaller than the sum of its proper divisors (19114405920).

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

7645756320 is a wasteful number, since it uses less digits than its factorization.

7645756320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769875 (or 1769861 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 45.

The square root of 7645756320 is about 87440.0155535210. The cubic root of 7645756320 is about 1970.0329230843.

The spelling of 7645756320 in words is "seven billion, six hundred forty-five million, seven hundred fifty-six thousand, three hundred twenty".