75634669860 has 96 divisors (see below), whose sum is σ = 218999918592. Its totient is φ = 19483685760.

The previous prime is 75634669819. The next prime is 75634669867. The reversal of 75634669860 is 6896643657.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 75634669794 and 75634669803.

It is not an unprimeable number, because it can be changed into a prime (75634669867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1011067 + ... + 1083293.

It is an arithmetic number, because the mean of its divisors is an integer number (2281249152).

Almost surely, 2^75634669860 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 75634669860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109499959296).

75634669860 is an abundant number, since it is smaller than the sum of its proper divisors (143365248732).

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

75634669860 is a wasteful number, since it uses less digits than its factorization.

75634669860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72833 (or 72831 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 60.

The spelling of 75634669860 in words is "seventy-five billion, six hundred thirty-four million, six hundred sixty-nine thousand, eight hundred sixty".