75463916520 has 192 divisors, whose sum is σ = 239374923840. Its totient is φ = 19029427200.

The previous prime is 75463916491. The next prime is 75463916639. The reversal of 75463916520 is 2561936457.

It is a self number, because there is not a number n which added to its sum of digits gives 75463916520.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29932860 + ... + 29935380.

It is an arithmetic number, because the mean of its divisors is an integer number (1246744395).

Almost surely, 2^75463916520 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 75463916520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119687461920).

75463916520 is an abundant number, since it is smaller than the sum of its proper divisors (163911007320).

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

75463916520 is a wasteful number, since it uses less digits than its factorization.

75463916520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3264 (or 3241 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 48.

The spelling of 75463916520 in words is "seventy-five billion, four hundred sixty-three million, nine hundred sixteen thousand, five hundred twenty".