71336938 has 16 divisors (see below), whose sum is σ = 113492736. Its totient is φ = 33557040.

The previous prime is 71336893. The next prime is 71336939. The reversal of 71336938 is 83963317.

It is a self number, because there is not a number n which added to its sum of digits gives 71336938.

It is not an unprimeable number, because it can be changed into a prime (71336939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9906 + ... + 15517.

It is an arithmetic number, because the mean of its divisors is an integer number (7093296).

Almost surely, 2^71336938 is an apocalyptic number.

71336938 is a deficient number, since it is larger than the sum of its proper divisors (42155798).

71336938 is a wasteful number, since it uses less digits than its factorization.

71336938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25509.

The product of its digits is 81648, while the sum is 40.

The square root of 71336938 is about 8446.1197007857. The cubic root of 71336938 is about 414.7357644400.

The spelling of 71336938 in words is "seventy-one million, three hundred thirty-six thousand, nine hundred thirty-eight".