75122366671 has 4 divisors (see below), whose sum is σ = 81951672744. Its totient is φ = 68293060600.

The previous prime is 75122366653. The next prime is 75122366701. The reversal of 75122366671 is 17666322157.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 75122366671 - 2²¹ = 75120269519 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 (75122360671) 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, 3414653020 + ... + 3414653041.

It is an arithmetic number, because the mean of its divisors is an integer number (20487918186).

Almost surely, 2^75122366671 is an apocalyptic number.

75122366671 is a deficient number, since it is larger than the sum of its proper divisors (6829306073).

75122366671 is a wasteful number, since it uses less digits than its factorization.

75122366671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6829306072.

The product of its digits is 635040, while the sum is 46.

The spelling of 75122366671 in words is "seventy-five billion, one hundred twenty-two million, three hundred sixty-six thousand, six hundred seventy-one".