74665275127 has 4 divisors (see below), whose sum is σ = 74742171336. Its totient is φ = 74588378920.

The previous prime is 74665275089. The next prime is 74665275143. The reversal of 74665275127 is 72157256647.

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 74665275127 - 2¹⁵ = 74665242359 is a prime.

It is a super-2 number, since 2×74665275127² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74665215127) 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, 38446648 + ... + 38448589.

It is an arithmetic number, because the mean of its divisors is an integer number (18685542834).

Almost surely, 2^74665275127 is an apocalyptic number.

74665275127 is a deficient number, since it is larger than the sum of its proper divisors (76896209).

74665275127 is an equidigital number, since it uses as much as digits as its factorization.

74665275127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76896208.

The product of its digits is 4939200, while the sum is 52.

The spelling of 74665275127 in words is "seventy-four billion, six hundred sixty-five million, two hundred seventy-five thousand, one hundred twenty-seven".