71354064 has 80 divisors (see below), whose sum is σ = 193003520. Its totient is φ = 22688640.

The previous prime is 71354051. The next prime is 71354099. The reversal of 71354064 is 46045317.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117249 + ... + 117855.

It is an arithmetic number, because the mean of its divisors is an integer number (2412544).

Almost surely, 2^71354064 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 71354064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96501760).

71354064 is an abundant number, since it is smaller than the sum of its proper divisors (121649456).

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

71354064 is a wasteful number, since it uses less digits than its factorization.

71354064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728 (or 722 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 71354064 is about 8447.1334782872. The cubic root of 71354064 is about 414.7689505965.

The spelling of 71354064 in words is "seventy-one million, three hundred fifty-four thousand, sixty-four".