71072110093 has 4 divisors (see below), whose sum is σ = 73522872540. Its totient is φ = 68621347648.

The previous prime is 71072110007. The next prime is 71072110097. The reversal of 71072110093 is 39001127017.

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

It can be written as a sum of positive squares in 2 ways, for example, as 57095668809 + 13976441284 = 238947^2 + 118222^2 .

It is a cyclic number.

It is not a de Polignac number, because 71072110093 - 2²¹ = 71070012941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71072110097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1225381180 + ... + 1225381237.

It is an arithmetic number, because the mean of its divisors is an integer number (18380718135).

Almost surely, 2^71072110093 is an apocalyptic number.

It is an amenable number.

71072110093 is a deficient number, since it is larger than the sum of its proper divisors (2450762447).

71072110093 is a wasteful number, since it uses less digits than its factorization.

71072110093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450762446.

The product of its (nonzero) digits is 2646, while the sum is 31.

The spelling of 71072110093 in words is "seventy-one billion, seventy-two million, one hundred ten thousand, ninety-three".