74556091845071 has 2 divisors, whose sum is σ = 74556091845072. Its totient is φ = 74556091845070.

The previous prime is 74556091845061. The next prime is 74556091845083. The reversal of 74556091845071 is 17054819065547.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74556091845071 - 2³⁴ = 74538911975887 is a prime.

It is a super-2 number, since 2×74556091845071² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 74556091844995 and 74556091845013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74556091845061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37278045922535 + 37278045922536.

It is an arithmetic number, because the mean of its divisors is an integer number (37278045922536).

Almost surely, 2^{74556091845071} is an apocalyptic number.

74556091845071 is a deficient number, since it is larger than the sum of its proper divisors (1).

74556091845071 is an equidigital number, since it uses as much as digits as its factorization.

74556091845071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336000, while the sum is 62.

The spelling of 74556091845071 in words is "seventy-four trillion, five hundred fifty-six billion, ninety-one million, eight hundred forty-five thousand, seventy-one".