71456904670 has 32 divisors (see below), whose sum is σ = 128906608896. Its totient is φ = 28519680000.

The previous prime is 71456904647. The next prime is 71456904679. The reversal of 71456904670 is 7640965417.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71456904679) 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 15 ways as a sum of consecutive naturals, for example, 11219827 + ... + 11226193.

It is an arithmetic number, because the mean of its divisors is an integer number (4028331528).

Almost surely, 2^71456904670 is an apocalyptic number.

71456904670 is a deficient number, since it is larger than the sum of its proper divisors (57449704226).

71456904670 is a wasteful number, since it uses less digits than its factorization.

71456904670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8676.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 71456904670 in words is "seventy-one billion, four hundred fifty-six million, nine hundred four thousand, six hundred seventy".