71334720 has 336 divisors, whose sum is σ = 273881088. Its totient is φ = 16957440.

The previous prime is 71334701. The next prime is 71334727. The reversal of 71334720 is 2743317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71334727) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1517737 + ... + 1517783.

Almost surely, 2^71334720 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 71334720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136940544).

71334720 is an abundant number, since it is smaller than the sum of its proper divisors (202546368).

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

71334720 is a wasteful number, since it uses less digits than its factorization.

71334720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 71334720 is about 8445.9883968663. The cubic root of 71334720 is about 414.7314660896.

The spelling of 71334720 in words is "seventy-one million, three hundred thirty-four thousand, seven hundred twenty".