75604342606640 has 80 divisors (see below), whose sum is σ = 176972419040256. Its totient is φ = 30036670176000.

The previous prime is 75604342606631. The next prime is 75604342606651. The reversal of 75604342606640 is 4660624340657.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75741029 + ... + 76732731.

Almost surely, 2^{75604342606640} 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 75604342606640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88486209520128).

75604342606640 is an abundant number, since it is smaller than the sum of its proper divisors (101368076433616).

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

75604342606640 is a wasteful number, since it uses less digits than its factorization.

75604342606640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998178 (or 998172 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 53.

The spelling of 75604342606640 in words is "seventy-five trillion, six hundred four billion, three hundred forty-two million, six hundred six thousand, six hundred forty".