71452815208 has 16 divisors (see below), whose sum is σ = 136824540480. Its totient is φ = 34966271088.

The previous prime is 71452815173. The next prime is 71452815221. The reversal of 71452815208 is 80251825417.

It is a super-2 number, since 2×71452815208² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 95016666 + ... + 95017417.

It is an arithmetic number, because the mean of its divisors is an integer number (8551533780).

Almost surely, 2^71452815208 is an apocalyptic number.

It is an amenable number.

71452815208 is a deficient number, since it is larger than the sum of its proper divisors (65371725272).

71452815208 is a wasteful number, since it uses less digits than its factorization.

71452815208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190034136 (or 190034132 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 43.

The spelling of 71452815208 in words is "seventy-one billion, four hundred fifty-two million, eight hundred fifteen thousand, two hundred eight".