71389196 has 6 divisors (see below), whose sum is σ = 124931100. Its totient is φ = 35694596.

The previous prime is 71389189. The next prime is 71389211. The reversal of 71389196 is 69198317.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8923646 + ... + 8923653.

It is an arithmetic number, because the mean of its divisors is an integer number (20821850).

Almost surely, 2^71389196 is an apocalyptic number.

It is an amenable number.

71389196 is a deficient number, since it is larger than the sum of its proper divisors (53541904).

71389196 is a wasteful number, since it uses less digits than its factorization.

71389196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17847303 (or 17847301 counting only the distinct ones).

The product of its digits is 81648, while the sum is 44.

The square root of 71389196 is about 8449.2127443922. The cubic root of 71389196 is about 414.8370115268.

The spelling of 71389196 in words is "seventy-one million, three hundred eighty-nine thousand, one hundred ninety-six".