74473875127 has 2 divisors, whose sum is σ = 74473875128. Its totient is φ = 74473875126.

The previous prime is 74473875107. The next prime is 74473875143. The reversal of 74473875127 is 72157837447.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74473875127 - 2²³ = 74465486519 is a prime.

It is a super-2 number, since 2×74473875127² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74473875107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37236937563 + 37236937564.

It is an arithmetic number, because the mean of its divisors is an integer number (37236937564).

Almost surely, 2^74473875127 is an apocalyptic number.

74473875127 is a deficient number, since it is larger than the sum of its proper divisors (1).

74473875127 is an equidigital number, since it uses as much as digits as its factorization.

74473875127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9219840, while the sum is 55.

The spelling of 74473875127 in words is "seventy-four billion, four hundred seventy-three million, eight hundred seventy-five thousand, one hundred twenty-seven".