75491609248 has 96 divisors (see below), whose sum is σ = 170931176640. Its totient is φ = 32458383360.

The previous prime is 75491609243. The next prime is 75491609299. The reversal of 75491609248 is 84290619457.

It is not an unprimeable number, because it can be changed into a prime (75491609243) 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, 4519440 + ... + 4536112.

It is an arithmetic number, because the mean of its divisors is an integer number (1780533090).

Almost surely, 2^75491609248 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 75491609248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85465588320).

75491609248 is an abundant number, since it is smaller than the sum of its proper divisors (95439567392).

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

75491609248 is a wasteful number, since it uses less digits than its factorization.

75491609248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17390 (or 17382 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 75491609248 in words is "seventy-five billion, four hundred ninety-one million, six hundred nine thousand, two hundred forty-eight".