74374321659 has 16 divisors (see below), whose sum is σ = 108241795200. Its totient is φ = 45049944960.

The previous prime is 74374321627. The next prime is 74374321661. The reversal of 74374321659 is 95612347347.

It is not a de Polignac number, because 74374321659 - 2⁵ = 74374321627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74374321669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 575509 + ... + 692790.

It is an arithmetic number, because the mean of its divisors is an integer number (6765112200).

Almost surely, 2^74374321659 is an apocalyptic number.

74374321659 is a deficient number, since it is larger than the sum of its proper divisors (33867473541).

74374321659 is a wasteful number, since it uses less digits than its factorization.

74374321659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270090.

The product of its digits is 3810240, while the sum is 51.

The spelling of 74374321659 in words is "seventy-four billion, three hundred seventy-four million, three hundred twenty-one thousand, six hundred fifty-nine".