71090873 has 8 divisors (see below), whose sum is σ = 81306240. Its totient is φ = 60890400.

The previous prime is 71090869. The next prime is 71090881. The reversal of 71090873 is 37809017.

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 71090873 - 2² = 71090869 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71090813) 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, 9788 + ... + 15426.

It is an arithmetic number, because the mean of its divisors is an integer number (10163280).

Almost surely, 2^71090873 is an apocalyptic number.

It is an amenable number.

71090873 is a deficient number, since it is larger than the sum of its proper divisors (10215367).

71090873 is a wasteful number, since it uses less digits than its factorization.

71090873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7447.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 71090873 is about 8431.5403693513. The cubic root of 71090873 is about 414.2583609085.

The spelling of 71090873 in words is "seventy-one million, ninety thousand, eight hundred seventy-three".