71150071 has 8 divisors (see below), whose sum is σ = 72284400. Its totient is φ = 70023360.

The previous prime is 71150059. The next prime is 71150087. The reversal of 71150071 is 17005117.

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

It is a cyclic number.

It is not a de Polignac number, because 71150071 - 2²³ = 62761463 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 (71150771) 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 7 ways as a sum of consecutive naturals, for example, 18636 + ... + 22126.

It is an arithmetic number, because the mean of its divisors is an integer number (9035550).

Almost surely, 2^71150071 is an apocalyptic number.

71150071 is a deficient number, since it is larger than the sum of its proper divisors (1134329).

71150071 is a wasteful number, since it uses less digits than its factorization.

71150071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3809.

The product of its (nonzero) digits is 245, while the sum is 22.

The square root of 71150071 is about 8435.0501480430. The cubic root of 71150071 is about 414.3733145429.

Adding to 71150071 its reverse (17005117), we get a palindrome (88155188).

The spelling of 71150071 in words is "seventy-one million, one hundred fifty thousand, seventy-one".