75747240620432 has 160 divisors (see below), whose sum is σ = 159168045164544. Its totient is φ = 34784457523200.

The previous prime is 75747240620417. The next prime is 75747240620477. The reversal of 75747240620432 is 23402604274757.

75747240620432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8766022832 + ... + 8766031472.

Almost surely, 2^{75747240620432} 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 75747240620432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79584022582272).

75747240620432 is an abundant number, since it is smaller than the sum of its proper divisors (83420804544112).

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

75747240620432 is a wasteful number, since it uses less digits than its factorization.

75747240620432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10657 (or 10651 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 53.

The spelling of 75747240620432 in words is "seventy-five trillion, seven hundred forty-seven billion, two hundred forty million, six hundred twenty thousand, four hundred thirty-two".