75143047079 has 4 divisors (see below), whose sum is σ = 75683644680. Its totient is φ = 74602449480.

The previous prime is 75143047051. The next prime is 75143047081. The reversal of 75143047079 is 97074034157.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97074034157 = 8311 ⋅11680187.

It is a cyclic number.

It is not a de Polignac number, because 75143047079 - 2²⁴ = 75126269863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75143040079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270298592 + ... + 270298869.

It is an arithmetic number, because the mean of its divisors is an integer number (18920911170).

Almost surely, 2^75143047079 is an apocalyptic number.

75143047079 is a deficient number, since it is larger than the sum of its proper divisors (540597601).

75143047079 is a wasteful number, since it uses less digits than its factorization.

75143047079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540597600.

The product of its (nonzero) digits is 740880, while the sum is 47.

The spelling of 75143047079 in words is "seventy-five billion, one hundred forty-three million, forty-seven thousand, seventy-nine".