71560159 has 4 divisors (see below), whose sum is σ = 78065640. Its totient is φ = 65054680.

The previous prime is 71560147. The next prime is 71560171. The reversal of 71560159 is 95106517.

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

It is an interprime number because it is at equal distance from previous prime (71560147) and next prime (71560171).

It is a cyclic number.

It is not a de Polignac number, because 71560159 - 2²¹ = 69463007 is a prime.

It is a super-2 number, since 2×71560159² = 10241712712210562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71564159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3252724 + ... + 3252745.

It is an arithmetic number, because the mean of its divisors is an integer number (19516410).

Almost surely, 2^71560159 is an apocalyptic number.

71560159 is a deficient number, since it is larger than the sum of its proper divisors (6505481).

71560159 is a wasteful number, since it uses less digits than its factorization.

71560159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6505480.

The product of its (nonzero) digits is 9450, while the sum is 34.

The square root of 71560159 is about 8459.3237909422. The cubic root of 71560159 is about 415.1678983866.

The spelling of 71560159 in words is "seventy-one million, five hundred sixty thousand, one hundred fifty-nine".