71072006657006 has 4 divisors (see below), whose sum is σ = 106608009985512. Its totient is φ = 35536003328502.

The previous prime is 71072006656999. The next prime is 71072006657009. The reversal of 71072006657006 is 60075660027017.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71072006657009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17768001664250 + ... + 17768001664253.

It is an arithmetic number, because the mean of its divisors is an integer number (26652002496378).

Almost surely, 2^{71072006657006} is an apocalyptic number.

71072006657006 is a deficient number, since it is larger than the sum of its proper divisors (35536003328506).

71072006657006 is a wasteful number, since it uses less digits than its factorization.

71072006657006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35536003328505.

The product of its (nonzero) digits is 740880, while the sum is 47.

The spelling of 71072006657006 in words is "seventy-one trillion, seventy-two billion, six million, six hundred fifty-seven thousand, six".