75325515760 has 80 divisors (see below), whose sum is σ = 191362930560. Its totient is φ = 27346648320.

The previous prime is 75325515737. The next prime is 75325515767. The reversal of 75325515760 is 6751552357.

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

It is a self number, because there is not a number n which added to its sum of digits gives 75325515760.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75325515767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475579 + ... + 613861.

It is an arithmetic number, because the mean of its divisors is an integer number (2392036632).

Almost surely, 2^75325515760 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 75325515760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95681465280).

75325515760 is an abundant number, since it is smaller than the sum of its proper divisors (116037414800).

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

75325515760 is a wasteful number, since it uses less digits than its factorization.

75325515760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138926 (or 138920 counting only the distinct ones).

The product of its (nonzero) digits is 1102500, while the sum is 46.

The spelling of 75325515760 in words is "seventy-five billion, three hundred twenty-five million, five hundred fifteen thousand, seven hundred sixty".