71249173009628 has 6 divisors (see below), whose sum is σ = 124686052766856. Its totient is φ = 35624586504812.

The previous prime is 71249173009607. The next prime is 71249173009657. The reversal of 71249173009628 is 82690037194217.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8906146626200 + ... + 8906146626207.

It is an arithmetic number, because the mean of its divisors is an integer number (20781008794476).

Almost surely, 2^{71249173009628} is an apocalyptic number.

It is an amenable number.

71249173009628 is a deficient number, since it is larger than the sum of its proper divisors (53436879757228).

71249173009628 is a wasteful number, since it uses less digits than its factorization.

71249173009628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17812293252411 (or 17812293252409 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 59.

The spelling of 71249173009628 in words is "seventy-one trillion, two hundred forty-nine billion, one hundred seventy-three million, nine thousand, six hundred twenty-eight".