74374321627 has 2 divisors, whose sum is σ = 74374321628. Its totient is φ = 74374321626.

The previous prime is 74374321597. The next prime is 74374321661. The reversal of 74374321627 is 72612347347.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74374321627 is a prime.

It is not a weakly prime, because it can be changed into another prime (74374321667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37187160813 + 37187160814.

It is an arithmetic number, because the mean of its divisors is an integer number (37187160814).

Almost surely, 2^74374321627 is an apocalyptic number.

74374321627 is a deficient number, since it is larger than the sum of its proper divisors (1).

74374321627 is an equidigital number, since it uses as much as digits as its factorization.

74374321627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1185408, while the sum is 46.

The spelling of 74374321627 in words is "seventy-four billion, three hundred seventy-four million, three hundred twenty-one thousand, six hundred twenty-seven".