71093286 has 48 divisors (see below), whose sum is σ = 177931728. Its totient is φ = 20275200.

The previous prime is 71093263. The next prime is 71093291. The reversal of 71093286 is 68239017.

71093286 is nontrivially palindromic in base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 71093286.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7195 + ... + 13926.

It is an arithmetic number, because the mean of its divisors is an integer number (3706911).

Almost surely, 2^71093286 is an apocalyptic number.

71093286 is an abundant number, since it is smaller than the sum of its proper divisors (106838442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71093286 is a wasteful number, since it uses less digits than its factorization.

71093286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21157 (or 21154 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 71093286 is about 8431.6834618005. The cubic root of 71093286 is about 414.2630478398.

The spelling of 71093286 in words is "seventy-one million, ninety-three thousand, two hundred eighty-six".