71676040456 has 16 divisors (see below), whose sum is σ = 134397713340. Its totient is φ = 35836650240.

The previous prime is 71676040427. The next prime is 71676040481. The reversal of 71676040456 is 65404067617.

It can be written as a sum of positive squares in 2 ways, for example, as 70137047556 + 1538992900 = 264834^2 + 39230^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71316 + ... + 385276.

Almost surely, 2^71676040456 is an apocalyptic number.

It is an amenable number.

71676040456 is a deficient number, since it is larger than the sum of its proper divisors (62721672884).

71676040456 is a wasteful number, since it uses less digits than its factorization.

71676040456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342504 (or 342500 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 71676040456 in words is "seventy-one billion, six hundred seventy-six million, forty thousand, four hundred fifty-six".