71247372048775 has 24 divisors (see below), whose sum is σ = 95837116438224. Its totient is φ = 52229404204800.

The previous prime is 71247372048767. The next prime is 71247372048847. The reversal of 71247372048775 is 57784027374217.

It is not a de Polignac number, because 71247372048775 - 2³ = 71247372048767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 800038261 + ... + 800127310.

It is an arithmetic number, because the mean of its divisors is an integer number (3993213184926).

Almost surely, 2^{71247372048775} is an apocalyptic number.

71247372048775 is a deficient number, since it is larger than the sum of its proper divisors (24589744389449).

71247372048775 is a wasteful number, since it uses less digits than its factorization.

71247372048775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600165731 (or 1600165726 counting only the distinct ones).

The product of its (nonzero) digits is 129077760, while the sum is 64.

The spelling of 71247372048775 in words is "seventy-one trillion, two hundred forty-seven billion, three hundred seventy-two million, forty-eight thousand, seven hundred seventy-five".