75122034827 has 4 divisors (see below), whose sum is σ = 85853754096. Its totient is φ = 64390315560.

The previous prime is 75122034817. The next prime is 75122034839. The reversal of 75122034827 is 72843022157.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75122034827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75122034817) 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, 5365859624 + ... + 5365859637.

It is an arithmetic number, because the mean of its divisors is an integer number (21463438524).

Almost surely, 2^75122034827 is an apocalyptic number.

75122034827 is a deficient number, since it is larger than the sum of its proper divisors (10731719269).

75122034827 is a wasteful number, since it uses less digits than its factorization.

75122034827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10731719268.

The product of its (nonzero) digits is 188160, while the sum is 41.

The spelling of 75122034827 in words is "seventy-five billion, one hundred twenty-two million, thirty-four thousand, eight hundred twenty-seven".