71248806 has 24 divisors (see below), whose sum is σ = 154535160. Its totient is φ = 23724576.

The previous prime is 71248799. The next prime is 71248847. The reversal of 71248806 is 60884217.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24906 + ... + 27618.

It is an arithmetic number, because the mean of its divisors is an integer number (6438965).

Almost surely, 2^71248806 is an apocalyptic number.

71248806 is an abundant number, since it is smaller than the sum of its proper divisors (83286354).

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

71248806 is a wasteful number, since it uses less digits than its factorization.

71248806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4180 (or 4177 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 71248806 is about 8440.9007813148. The cubic root of 71248806 is about 414.5649013216.

The spelling of 71248806 in words is "seventy-one million, two hundred forty-eight thousand, eight hundred six".