71210089 has 8 divisors (see below), whose sum is σ = 74167488. Its totient is φ = 68307120.

The previous prime is 71210063. The next prime is 71210129. The reversal of 71210089 is 98001217.

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 71210089 - 2¹¹ = 71208041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71210039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10927 + ... + 16180.

It is an arithmetic number, because the mean of its divisors is an integer number (9270936).

Almost surely, 2^71210089 is an apocalyptic number.

It is an amenable number.

71210089 is a deficient number, since it is larger than the sum of its proper divisors (2957399).

71210089 is a wasteful number, since it uses less digits than its factorization.

71210089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27215.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 71210089 is about 8438.6070532997. The cubic root of 71210089 is about 414.4897954197.

It can be divided in two parts, 712 and 10089, that added together give a palindrome (10801).

The spelling of 71210089 in words is "seventy-one million, two hundred ten thousand, eighty-nine".