74617006205 has 12 divisors (see below), whose sum is σ = 104159249820. Its totient is φ = 51165946944.

The previous prime is 74617006201. The next prime is 74617006229. The reversal of 74617006205 is 50260071647.

It can be written as a sum of positive squares in 2 ways, for example, as 21736784356 + 52880221849 = 147434^2 + 229957^2 .

It is not a de Polignac number, because 74617006205 - 2² = 74617006201 is a prime.

It is a super-2 number, since 2×74617006205² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74617006201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152279360 + ... + 152279849.

It is an arithmetic number, because the mean of its divisors is an integer number (8679937485).

Almost surely, 2^74617006205 is an apocalyptic number.

It is an amenable number.

74617006205 is a deficient number, since it is larger than the sum of its proper divisors (29542243615).

74617006205 is a wasteful number, since it uses less digits than its factorization.

74617006205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304559228 (or 304559221 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The spelling of 74617006205 in words is "seventy-four billion, six hundred seventeen million, six thousand, two hundred five".