75421560626532 has 192 divisors, whose sum is σ = 208119752628480. Its totient is φ = 23538251520000.

The previous prime is 75421560626411. The next prime is 75421560626561. The reversal of 75421560626532 is 23562606512457.

75421560626532 is a `hidden beast` number, since 7 + 5 + 4 + 2 + 1 + 5 + 6 + 0 + 626 + 5 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4431080182 + ... + 4431097202.

It is an arithmetic number, because the mean of its divisors is an integer number (1083957044940).

Almost surely, 2^{75421560626532} 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 75421560626532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104059876314240).

75421560626532 is an abundant number, since it is smaller than the sum of its proper divisors (132698192001948).

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

75421560626532 is a wasteful number, since it uses less digits than its factorization.

75421560626532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29499 (or 29491 counting only the distinct ones).

The product of its (nonzero) digits is 18144000, while the sum is 54.

The spelling of 75421560626532 in words is "seventy-five trillion, four hundred twenty-one billion, five hundred sixty million, six hundred twenty-six thousand, five hundred thirty-two".