71283052072 has 32 divisors (see below), whose sum is σ = 134527910400. Its totient is φ = 35409640000.

The previous prime is 71283052069. The next prime is 71283052073. The reversal of 71283052072 is 27025038217.

It is not an unprimeable number, because it can be changed into a prime (71283052073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 780822 + ... + 867322.

It is an arithmetic number, because the mean of its divisors is an integer number (4203997200).

Almost surely, 2^71283052072 is an apocalyptic number.

It is an amenable number.

71283052072 is a deficient number, since it is larger than the sum of its proper divisors (63244858328).

71283052072 is a wasteful number, since it uses less digits than its factorization.

71283052072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87177 (or 87173 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The spelling of 71283052072 in words is "seventy-one billion, two hundred eighty-three million, fifty-two thousand, seventy-two".