71070159 has 4 divisors (see below), whose sum is σ = 94760216. Its totient is φ = 47380104.

The previous prime is 71070151. The next prime is 71070173. The reversal of 71070159 is 95107017.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95107017 = 3 ⋅31702339.

It is not a de Polignac number, because 71070159 - 2³ = 71070151 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 (71070151) 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, 11845024 + ... + 11845029.

It is an arithmetic number, because the mean of its divisors is an integer number (23690054).

Almost surely, 2^71070159 is an apocalyptic number.

71070159 is a deficient number, since it is larger than the sum of its proper divisors (23690057).

71070159 is a wasteful number, since it uses less digits than its factorization.

71070159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23690056.

The product of its (nonzero) digits is 2205, while the sum is 30.

The square root of 71070159 is about 8430.3119159376. The cubic root of 71070159 is about 414.2181223571.

The spelling of 71070159 in words is "seventy-one million, seventy thousand, one hundred fifty-nine".