75129649017 has 8 divisors (see below), whose sum is σ = 104528207424. Its totient is φ = 47908761648.

The previous prime is 75129649013. The next prime is 75129649039. The reversal of 75129649017 is 71094692157.

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

It is not a de Polignac number, because 75129649017 - 2² = 75129649013 is a prime.

It is a super-2 number, since 2×75129649017² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (75129649013) 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, 544417678 + ... + 544417815.

It is an arithmetic number, because the mean of its divisors is an integer number (13066025928).

Almost surely, 2^75129649017 is an apocalyptic number.

It is an amenable number.

75129649017 is a deficient number, since it is larger than the sum of its proper divisors (29398558407).

75129649017 is a wasteful number, since it uses less digits than its factorization.

75129649017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088835519.

The product of its (nonzero) digits is 952560, while the sum is 51.

The spelling of 75129649017 in words is "seventy-five billion, one hundred twenty-nine million, six hundred forty-nine thousand, seventeen".