71031124747 has 8 divisors (see below), whose sum is σ = 78645045312. Its totient is φ = 63609961800.

The previous prime is 71031124739. The next prime is 71031124783. The reversal of 71031124747 is 74742113017.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71031124747 - 2³ = 71031124739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71031124247) 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, 48188629 + ... + 48190102.

It is an arithmetic number, because the mean of its divisors is an integer number (9830630664).

Almost surely, 2^71031124747 is an apocalyptic number.

71031124747 is a deficient number, since it is larger than the sum of its proper divisors (7613920565).

71031124747 is a wasteful number, since it uses less digits than its factorization.

71031124747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96378809.

The product of its (nonzero) digits is 32928, while the sum is 37.

The spelling of 71031124747 in words is "seventy-one billion, thirty-one million, one hundred twenty-four thousand, seven hundred forty-seven".