71960238 has 160 divisors (see below), whose sum is σ = 200724480. Its totient is φ = 18817920.

The previous prime is 71960237. The next prime is 71960249. The reversal of 71960238 is 83206917.

71960238 is a `hidden beast` number, since 7 + 19 + 602 + 38 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71960237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 808498 + ... + 808586.

It is an arithmetic number, because the mean of its divisors is an integer number (1254528).

Almost surely, 2^71960238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71960238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100362240).

71960238 is an abundant number, since it is smaller than the sum of its proper divisors (128764242).

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

71960238 is a wasteful number, since it uses less digits than its factorization.

71960238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 155 counting only the distinct ones).

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

The square root of 71960238 is about 8482.9380523496. The cubic root of 71960238 is about 415.9401687559.

The spelling of 71960238 in words is "seventy-one million, nine hundred sixty thousand, two hundred thirty-eight".