71395956 has 72 divisors (see below), whose sum is σ = 189833280. Its totient is φ = 22624272.

The previous prime is 71395921. The next prime is 71395957. The reversal of 71395956 is 65959317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71395957) 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 23 ways as a sum of consecutive naturals, for example, 437931 + ... + 438093.

Almost surely, 2^71395956 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71395956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94916640).

71395956 is an abundant number, since it is smaller than the sum of its proper divisors (118437324).

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

71395956 is a wasteful number, since it uses less digits than its factorization.

71395956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 191 counting only the distinct ones).

The product of its digits is 255150, while the sum is 45.

The square root of 71395956 is about 8449.6127721926. The cubic root of 71395956 is about 414.8501050565.

It can be divided in two parts, 713 and 95956, that added together give a palindrome (96669).

The spelling of 71395956 in words is "seventy-one million, three hundred ninety-five thousand, nine hundred fifty-six".