75171068745 has 8 divisors (see below), whose sum is σ = 120273710016. Its totient is φ = 40091236656.

The previous prime is 75171068743. The next prime is 75171068789. The reversal of 75171068745 is 54786017157.

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

It is not a de Polignac number, because 75171068745 - 2¹ = 75171068743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75171068743) 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, 2505702277 + ... + 2505702306.

It is an arithmetic number, because the mean of its divisors is an integer number (15034213752).

Almost surely, 2^75171068745 is an apocalyptic number.

It is an amenable number.

75171068745 is a deficient number, since it is larger than the sum of its proper divisors (45102641271).

75171068745 is a wasteful number, since it uses less digits than its factorization.

75171068745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5011404591.

The product of its (nonzero) digits is 1646400, while the sum is 51.

The spelling of 75171068745 in words is "seventy-five billion, one hundred seventy-one million, sixty-eight thousand, seven hundred forty-five".