71342656 has 112 divisors (see below), whose sum is σ = 182587392. Its totient is φ = 26841600.

The previous prime is 71342653. The next prime is 71342657. The reversal of 71342656 is 65624317.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is not an unprimeable number, because it can be changed into a prime (71342653) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 152535 + ... + 153001.

Almost surely, 2^71342656 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 71342656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91293696).

71342656 is an abundant number, since it is smaller than the sum of its proper divisors (111244736).

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

71342656 is a wasteful number, since it uses less digits than its factorization.

71342656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528 (or 518 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 71342656 is about 8446.4581926391. The cubic root of 71342656 is about 414.7468451685.

The spelling of 71342656 in words is "seventy-one million, three hundred forty-two thousand, six hundred fifty-six".