75330648447 has 8 divisors (see below), whose sum is σ = 100465859760. Its totient is φ = 50207934720.

The previous prime is 75330648403. The next prime is 75330648467. The reversal of 75330648447 is 74484603357.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 75330648447 - 2⁶ = 75330648383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75330648447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75330648467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3110322 + ... + 3134447.

It is an arithmetic number, because the mean of its divisors is an integer number (12558232470).

Almost surely, 2^75330648447 is an apocalyptic number.

75330648447 is a deficient number, since it is larger than the sum of its proper divisors (25135211313).

75330648447 is a wasteful number, since it uses less digits than its factorization.

75330648447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6248793.

The product of its (nonzero) digits is 6773760, while the sum is 51.

The spelling of 75330648447 in words is "seventy-five billion, three hundred thirty million, six hundred forty-eight thousand, four hundred forty-seven".