71406406208 has 14 divisors (see below), whose sum is σ = 141697087446. Its totient is φ = 35703203072.

The previous prime is 71406406193. The next prime is 71406406213. The reversal of 71406406208 is 80260460417.

It can be written as a sum of positive squares in only one way, i.e., 41825158144 + 29581248064 = 204512^2 + 171992^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557862485 + ... + 557862612.

Almost surely, 2^71406406208 is an apocalyptic number.

It is an amenable number.

71406406208 is a deficient number, since it is larger than the sum of its proper divisors (70290681238).

71406406208 is a wasteful number, since it uses less digits than its factorization.

71406406208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115725109 (or 1115725099 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 71406406208 in words is "seventy-one billion, four hundred six million, four hundred six thousand, two hundred eight".