71026560 has 384 divisors, whose sum is σ = 286416000. Its totient is φ = 16035840.

The previous prime is 71026517. The next prime is 71026567. The reversal of 71026560 is 6562017.

71026560 is a `hidden beast` number, since 7 + 1 + 0 + 2 + 656 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71026567) 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, 1203811 + ... + 1203869.

It is an arithmetic number, because the mean of its divisors is an integer number (745875).

Almost surely, 2^71026560 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 71026560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143208000).

71026560 is an abundant number, since it is smaller than the sum of its proper divisors (215389440).

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

71026560 is a wasteful number, since it uses less digits than its factorization.

71026560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 71026560 is about 8427.7256718524. The cubic root of 71026560 is about 414.1334023640.

Adding to 71026560 its reverse (6562017), we get a palindrome (77588577).

The spelling of 71026560 in words is "seventy-one million, twenty-six thousand, five hundred sixty".