75747546448 has 80 divisors (see below), whose sum is σ = 169100784000. Its totient is φ = 32198386176.

The previous prime is 75747546437. The next prime is 75747546467. The reversal of 75747546448 is 84464574757.

It is a congruent number.

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, 6893823 + ... + 6904801.

It is an arithmetic number, because the mean of its divisors is an integer number (2113759800).

Almost surely, 2^75747546448 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 75747546448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84550392000).

75747546448 is an abundant number, since it is smaller than the sum of its proper divisors (93353237552).

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

75747546448 is a wasteful number, since it uses less digits than its factorization.

75747546448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11492 (or 11486 counting only the distinct ones).

The product of its digits is 105369600, while the sum is 61.

The spelling of 75747546448 in words is "seventy-five billion, seven hundred forty-seven million, five hundred forty-six thousand, four hundred forty-eight".