71965273150 has 12 divisors (see below), whose sum is σ = 133855408152. Its totient is φ = 28786109240.

The previous prime is 71965273141. The next prime is 71965273169. The reversal of 71965273150 is 5137256917.

It is a happy number.

It is a super-2 number, since 2×71965273150² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71965273150.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 719652682 + ... + 719652781.

It is an arithmetic number, because the mean of its divisors is an integer number (11154617346).

Almost surely, 2^71965273150 is an apocalyptic number.

71965273150 is a deficient number, since it is larger than the sum of its proper divisors (61890135002).

71965273150 is a wasteful number, since it uses less digits than its factorization.

71965273150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439305475 (or 1439305470 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 46.

The spelling of 71965273150 in words is "seventy-one billion, nine hundred sixty-five million, two hundred seventy-three thousand, one hundred fifty".